{"product_id":"command-access-4-wire-electrified-power-transfer-hinge-4-1-2-x-4-1-2-693-black","title":"Command Access 4-Wire Electrified Transfer Hinge | 4-1\/2 x 4-1\/2","description":"\u003ch2\u003eQuick Technical Selection Guide\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access 4-Wire Electrified Transfer Hinge | 4-1\/2 x 4-1\/2\u003c\/strong\u003e is designed to carry compatible low-voltage circuits through the hinge side of an electrified commercial door, keeping the wiring pathway within the prepared door and frame instead of using an exposed surface cord. This model family provides \u003cstrong\u003e4 conductors\u003c\/strong\u003e, with selectable factory finishes or preparations shown below. Select by electrical harness, hinge size and mechanical preparation—not by finish alone.\u003c\/p\u003e\u003ch3\u003eDetailed Hinge Selection and Field Verification\u003c\/h3\u003e\u003cp\u003eThe model number identifies the \u003cstrong\u003eelectrified hinge size, wire arrangement and factory finish\u003c\/strong\u003e. The option menu contains the following distinct factory models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545 693 CH-BB79\u003c\/strong\u003e — 693 Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545-630-5SW\u003c\/strong\u003e — 630 Satin Stainless\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545 626 CH-BB79\u003c\/strong\u003e — 626 Satin Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545-651-5SW\u003c\/strong\u003e — 625 Polished Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545-640-5SW\u003c\/strong\u003e — 613 Oil Rubbed Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W4545-639-5SW\u003c\/strong\u003e — 612 Satin Bronze\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003ePhysical Fit and Finish\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinge template:\u003c\/strong\u003e Verify door and frame mortise, leaf dimensions, thickness, centerline, hinge spacing, screw locations, knuckle pattern and corner preparation before selecting the part. Exact hinge geometry must match the opening even when the visible finish is similar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish selection:\u003c\/strong\u003e Match the finish code and metal construction to the approved hardware schedule. Do not substitute 626, 613, 612, 630 or other finishes without confirming project requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eElectrical System and Commissioning\u003c\/h4\u003e\u003cp\u003eDetermine the connected device's operating voltage, peak current and any monitoring signals; confirm the selected hinge's wire gauges, manufacturer ratings, termination method and available conductor count. Route wiring without sharp edges, pinching or strain through the door swing. After mounting, verify door clearance, continuity, electrical actuation, monitoring signals and relatching under normal operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupplied scope:\u003c\/strong\u003e One selected Command Access transfer hinge assembly as identified by the ordered SKU. Locking devices, access controller, external power supply, extended field wiring and labor are not part of this hinge-only listing.\u003c\/p\u003e\u003csection\u003e\u003ch3\u003eProject Specification and Installer Checkpoints\u003c\/h3\u003e\n\u003cp\u003eFor the \u003cstrong\u003e4-1\/2 x 4-1\/2 4-wire electrified transfer hinge\u003c\/strong\u003e, confirm both the mechanical hinge specification and the electrical circuit layout before selecting a finish. A power-transfer hinge is not interchangeable with a standard butt hinge merely because the leaf dimensions match.\u003c\/p\u003e\n\u003ch4\u003eElectrical Design\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory conductor configuration:\u003c\/strong\u003e 4 × 26 AWG conductors. Confirm the wiring arrangement of the exact selected SKU against the current product sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnected hardware:\u003c\/strong\u003e Identify the electric lock, latch-retraction hardware, door-position switch or monitoring contacts that the cable serves, and map each conductor to a circuit before installation. Reserve conductor capacity for required power and signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower sizing:\u003c\/strong\u003e Check total running and inrush current, voltage at the device under load, allowable conductor ampacity and maximum cable length using the electrical device and hinge manufacturers' specifications. Do not assume a particular amperage rating from conductor count alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination and movement:\u003c\/strong\u003e Plan protected cable routing through prepared door and frame raceways, proper strain relief and termination access. Verify continuity and insulation integrity with the door fully open and closed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMechanical Fit and Ordering Requirements\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinge template:\u003c\/strong\u003e Verify leaf height and width, hinge thickness, five-knuckle pattern, screw-hole locations, corner style and door\/frame mortise; compare the selected part number to the architectural hardware schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor construction:\u003c\/strong\u003e Confirm door weight, hinge quantity, opening frequency, intended fire-door listing and any applicable frame reinforcement or manufacturer restrictions. Do not substitute a different hinge load class solely based on appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCommercial Applications and Supplied Scope\u003c\/h4\u003e\n\u003cp\u003eFor commercial entrance, corridor and other access-controlled openings that require concealed low-voltage transfer from the frame to electrified door hardware. Select the precise factory configuration in the variant menu. This is a \u003cstrong\u003epower-transfer hinge assembly\u003c\/strong\u003e; the mating lockset, power supply, access controller, door wiring and field installation are separate unless an individual manufacturer package expressly states otherwise.\u003c\/p\u003e\u003c\/section\u003e\u003ch3\u003eCore Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eConcealed electrical transfer between a commercial door frame and door leaf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal hinge size\u003c\/th\u003e\n\u003ctd\u003e4-1\/2 x 4-1\/2 inches (confirm selected SKU and template)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical arrangement\u003c\/th\u003e\n\u003ctd\u003e4 × 26 AWG conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHarness purpose\u003c\/th\u003e\n\u003ctd\u003eStandard four-wire signal\/power transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge construction\u003c\/th\u003e\n\u003ctd\u003eCommercial full-mortise, five-knuckle hinge construction; confirm mechanical grade and material for each SKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish \/ version selection\u003c\/th\u003e\n\u003ctd\u003eChoose an exact configuration below; electrical features and preparations can differ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAvailable Variants and Part Numbers\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSelected configuration\u003c\/th\u003e\n\u003cth\u003eManufacturer SKU\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e693 Black\u003c\/td\u003e\n\u003ctd\u003eETH4W4545 693 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e630 Satin Stainless\u003c\/td\u003e\n\u003ctd\u003eETH4W4545-630-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e626 Satin Chrome\u003c\/td\u003e\n\u003ctd\u003eETH4W4545 626 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e625 Polished Chrome\u003c\/td\u003e\n\u003ctd\u003eETH4W4545-651-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e613 Oil Rubbed Bronze\u003c\/td\u003e\n\u003ctd\u003eETH4W4545-640-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e612 Satin Bronze\u003c\/td\u003e\n\u003ctd\u003eETH4W4545-639-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eChoosing the Correct Hinge\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the opening:\u003c\/strong\u003e Confirm height, open width, hinge thickness, corner radius, hole pattern and door\/frame mortise against the existing hinge or new construction schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize the circuit:\u003c\/strong\u003e Calculate the connected lock\/trim device's operating and inrush current, voltage drop, required conductors and control contacts. Use the current Command Access electrical ratings for the selected SKU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the power transfer:\u003c\/strong\u003e Route the factory wiring through the designated hinge and approved door\/frame raceways without pinching or stressing the leads through the full swing cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoordinate door hardware:\u003c\/strong\u003e Verify electric locks, readers, monitor switches, exit trim, power supply and access controller are electrically compatible before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect and test:\u003c\/strong\u003e Verify conductor continuity, insulation, mechanical door movement and powered hardware operation after installation. Follow applicable fire-door and egress requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant model distinction:\u003c\/strong\u003e For heavier electrical power conductors compare the ETH4WH family; do not assume that all four-wire hinges carry the same current.\u003c\/p\u003e\u003ch3\u003eOrder and Package Notes\u003c\/h3\u003e\u003cp\u003eThis listing is for the selected electrified hinge configuration. The complete power supply, electrified lock or exit device, reader\/controller, additional hinges, special mounting hardware and field installation materials are not automatically included. Verify the manufacturer's current packaging and any required factory harness or connector details before ordering.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eCommand Access 4-Wire Electrified Transfer Hinge | 4-1\/2 x 4-1\/2\u003c\/strong\u003e for concealed electrical transfer through compatible commercial door hinges. Select the exact finish and configuration. Each option maintains its original manufacturer's SKU, individual pricing, stock and shipping specifications.\u003c\/p\u003e\u003ch3\u003eAvailable configurations and model-specific specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e693 Black\u003c\/strong\u003e — ETH4W4545 693 CH-BB79\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e630 Satin Stainless\u003c\/strong\u003e — ETH4W4545-630-5SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e626 Satin Chrome\u003c\/strong\u003e — ETH4W4545 626 CH-BB79\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e625 Polished Chrome\u003c\/strong\u003e — ETH4W4545-651-5SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e613 Oil Rubbed Bronze\u003c\/strong\u003e — ETH4W4545-640-5SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e612 Satin Bronze\u003c\/strong\u003e — ETH4W4545-639-5SW\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheck hinge size, corner style, weight class, door and frame preparation and electrical wire count before ordering. Product specifications and installation details for each model are retained below.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e693 Black | ETH4W4545 693 CH-BB79\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 693 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e is a concealed low-voltage power-transfer hinge for commercial access-control doors. This model measures \u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide\u003c\/strong\u003e and features a \u003cstrong\u003efive-knuckle, standard-weight, full-mortise, ball-bearing steel-base hinge\u003c\/strong\u003e in \u003cstrong\u003e693\/L1 Black\u003c\/strong\u003e (black powder-coated \/ sprayed black appearance). Its \u003cstrong\u003eCH-BB79\u003c\/strong\u003e configuration conceals electrical wiring inside the hinge so power and signals may travel from the door frame to the moving door leaf without an exposed cable loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect electrical configuration:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e model contains \u003cstrong\u003efour 26 AWG conductors (4 x 26 gauge wires)\u003c\/strong\u003e. This is not an ETH4WH heavy-wire hinge, which instead uses two 18 AWG power conductors and two 26 AWG signal\/control conductors. Select the exact conductor quantity and gauge required for the connected electric lock, exit trim, monitor or other compatible door device; evaluate voltage drop, inrush current, duty cycle and power requirements before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExact finish and hinge size:\u003c\/strong\u003e This version is \u003cstrong\u003e693 Black\u003c\/strong\u003e on a ferrous steel-base, ball-bearing \u003cstrong\u003eCH-BB79\u003c\/strong\u003e hinge, \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e. It is not the \u003cstrong\u003e626 Satin Chrome\u003c\/strong\u003e, \u003cstrong\u003e613 Oil Rubbed Bronze\u003c\/strong\u003e or \u003cstrong\u003e630 Satin Stainless Steel\u003c\/strong\u003e finish. Likewise, do not confuse the 4545 hinge with the wider 4550 (4-1\/2\" x 5\") or taller 5045 (5\" x 4-1\/2\") versions. Verify the actual door and jamb templates before ordering.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed four-wire transfer:\u003c\/strong\u003e Four factory-installed 26 AWG electrical conductors route compatible low-voltage power, signaling and monitoring from the jamb to the door leaf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" commercial hinge:\u003c\/strong\u003e Standard commercial hinge dimensions, subject to matching frame and door mortises, screw holes, clearances and approved manufacturer preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight design:\u003c\/strong\u003e The CH-BB79 configuration identifies the ball-bearing steel-base commercial hinge; verify the current factory template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e693\/L1 Black finish:\u003c\/strong\u003e Black, powder-coated \/ sprayed-black appearance for commercial openings using dark-finish door hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel-base ball-bearing construction:\u003c\/strong\u003e Ferrous steel-base hinge with the manufacturer's specified bearing construction, suitable for correctly engineered commercial door openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected wire routing:\u003c\/strong\u003e Conceals wiring through the hinge, avoiding an exposed surface wiring loop when installed with appropriately prepared internal raceways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage access-control integration:\u003c\/strong\u003e For compatible electrified cylindrical or mortise locksets, electric exit trim, door-mounted signal devices and status circuits within approved electrical limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4W family electrical rating:\u003c\/strong\u003e Manufacturer information lists \u003cstrong\u003e1 A at 24 VDC per designated conductor pair\u003c\/strong\u003e; check the current Command Access cut sheet and the connected device's requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer family wire-access features:\u003c\/strong\u003e Command Access literature describes a centrally located wire access opening and non-conductive protective cap; confirm configuration on the delivered hinge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead options:\u003c\/strong\u003e A four-foot lead option is described for the ETH hinge family; confirm actual lead length, termination, connectors and package contents before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial fire-rated application:\u003c\/strong\u003e Product listings identify fire-rated and UL-F hinge-family configurations; suitability is conditional on the exact door, frame and hardware listing and applicable codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer warranty:\u003c\/strong\u003e Command Access's ETH family literature advertises a three-year warranty, subject to current terms and exclusions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 693 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlternate Supplier Part Number\u003c\/th\u003e\n\u003ctd\u003eETH4W4545-693 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eElectrified power \/ energy transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W (four 26-gauge wires)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Height\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Width\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003eFive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Configuration\u003c\/th\u003e\n\u003ctd\u003eBall bearing CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase Material\u003c\/th\u003e\n\u003ctd\u003eFerrous steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003e693 \/ L1 Black (black powder coat \/ sprayed black)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corners; confirm mounting template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Wire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductor Gauge\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePublished ETH4W Family Rating\u003c\/th\u003e\n\u003ctd\u003e1 A at 24 VDC per designated wire pair; verify manufacturer requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer between frame and door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eConfirm exact manufacturer mounting instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead \/ Connector Options\u003c\/th\u003e\n\u003ctd\u003eConfirm factory lead length and termination on supplied model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Item\u003c\/th\u003e\n\u003ctd\u003eOne electrified power-transfer hinge, with factory-installed wire harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb estimated packaged shipping weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAccess-controlled doors with appropriately rated electric mortise or cylindrical locksets\u003c\/li\u003e\n\u003cli\u003eCompatible electrified exit trims and other manufacturer-approved electric door hardware\u003c\/li\u003e\n\u003cli\u003eLow-current door-mounted readers, indicators and status-monitoring circuits\u003c\/li\u003e\n\u003cli\u003eCommercial offices, schools, institutions, healthcare facilities and other controlled-access buildings\u003c\/li\u003e\n\u003cli\u003eReplacement or new-work installations prepared specifically for 4-1\/2\" x 4-1\/2\" five-knuckle power-transfer hinges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eETH4W versus ETH4WH: Do Not Confuse the Conductors\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eETH4W uses four 26 AWG conductors.\u003c\/strong\u003e By comparison, \u003cstrong\u003eETH4WH\u003c\/strong\u003e includes \u003cstrong\u003etwo 18 AWG wires and two 26 AWG wires\u003c\/strong\u003e. Many powered latch-retraction devices or high-inrush electric locks require a heavier power pair, specialized power controller or another approved power-transfer method. Do not substitute this ETH4W simply because it has four wires or matches the hinge dimensions. Verify continuous and inrush current, voltage drop, cable length and manufacturer wiring instructions.\u003c\/p\u003e\n\u003ch3\u003ePre-Installation and Ordering Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the correct hinge size:\u003c\/strong\u003e Match a \u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide\u003c\/strong\u003e full-mortise hinge. Do not substitute a wider 4550 or taller 5045 model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the finish:\u003c\/strong\u003e Confirm \u003cstrong\u003e693\/L1 Black\u003c\/strong\u003e, black powder-coated \/ sprayed-black appearance, and the \u003cstrong\u003eCH-BB79\u003c\/strong\u003e steel-base configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch hinge preparations:\u003c\/strong\u003e Confirm the manufacturer's five-knuckle template, ball-bearing model, screw locations, hinge corners and door\/frame clearances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalculate electrical loads:\u003c\/strong\u003e Determine whether \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e satisfy the connected hardware's current, startup, duty-cycle and signal needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare concealed wire raceways:\u003c\/strong\u003e Follow factory-approved jamb and door leaf wiring preparations; protect the harness from pinching, abrasion and sharp edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm rated-opening compliance:\u003c\/strong\u003e For rated doors, use only approved hinge and wiring preparations and preserve applicable egress functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after installation:\u003c\/strong\u003e Check continuity, complete door swing, connected locking\/monitoring devices and all required safety functions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 693 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" black-finish power-transfer hinge with \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e. Verify lead length, connector options and fasteners with the distributor before ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lock, electric strike, exit device, latch-retraction motor, access-control reader, controller, power supply, door\/frame and field wiring accessories. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e630 Satin Stainless | ETH4W4545-630-5SW\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 630 CH-BB91 Electrified Energy Transfer Hinge\u003c\/strong\u003e provides a concealed electrical pathway between a commercial door frame and the moving door leaf. This \u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide\u003c\/strong\u003e, \u003cstrong\u003efive-knuckle, standard-weight, full-mortise hinge\u003c\/strong\u003e has a \u003cstrong\u003e630 \/ US32D Satin Stainless Steel\u003c\/strong\u003e finish and the specified \u003cstrong\u003eCH-BB91\u003c\/strong\u003e hinge configuration. Its four factory-installed low-voltage conductors transmit compatible power, signaling and monitoring circuits without an external flex loop when the opening is correctly prepared.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect wiring:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e series contains \u003cstrong\u003efour 26 AWG conductors (4 x 26 gauge)\u003c\/strong\u003e. It must not be confused with the \u003cstrong\u003eETH4WH\u003c\/strong\u003e heavy-wire configuration, which uses \u003cstrong\u003etwo 18 AWG power conductors plus two 26 AWG signal wires\u003c\/strong\u003e. Always check the connected device's steady-state and inrush current, allowable voltage drop, wire assignment and lead length before selecting an electrified hinge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish and dimension distinction:\u003c\/strong\u003e This is \u003cstrong\u003e630 \/ US32D Satin Stainless Steel\u003c\/strong\u003e, not the 626\/US26D satin-chromium-plated steel-base or 693 black versions. The hinge is \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e, not the wider 4550 4-1\/2\" x 5\" or taller 5045 5\" x 4-1\/2\" models. The \u003cstrong\u003eCH-BB91\u003c\/strong\u003e configuration is specified; verify the actual hinge material, bearing construction, mounting-hole pattern and current Command Access cut sheet for the project.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed 4-wire power transfer:\u003c\/strong\u003e Carries four factory-installed 26 AWG conductors through the door hinge from jamb to door leaf, helping avoid visible, exposed wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" size:\u003c\/strong\u003e Commercial full-mortise dimensions for matching door\/frame hinge preparations; check screw-hole spacing and template before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight:\u003c\/strong\u003e The supplier's \u003cstrong\u003e5SW\u003c\/strong\u003e identifies a five-knuckle standard-weight hinge, suitable for the installation conditions specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e630 \/ US32D Satin Stainless Steel:\u003c\/strong\u003e Architectural stainless-steel finish for commercial doors equipped with matching 630 satin stainless hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB91 configuration:\u003c\/strong\u003e Use the specified Command Access hinge chassis rather than substituting a CH-BB79 plated-steel or differently prepared version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected internal wiring:\u003c\/strong\u003e Integrated conductor pathway supports a clean appearance and protects wiring when installed through the manufacturer's approved jamb and door raceways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage access control:\u003c\/strong\u003e Supports compatible electrically operated mortise\/cylindrical locks, electric exit trim, low-voltage status monitoring and door-mounted accessories when electrically approved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished ETH4W family rating:\u003c\/strong\u003e Manufacturer data gives \u003cstrong\u003e1.0 A continuous at 24 VDC\u003c\/strong\u003e for the designated ETH4W conductor arrangement; follow the latest cut sheet for per-pair ratings and system restrictions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional wire access:\u003c\/strong\u003e Command Access's energy-transfer hinge literature describes a central wire-access opening and non-conductive wire cap; verify the actual assembly configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead options:\u003c\/strong\u003e Manufacturer literature describes optional four-foot leads; verify supplied lead length, number of harness tails, connectors and terminations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial hinge family:\u003c\/strong\u003e Published configurations include UL-F and fire-rated door applications. Confirm the specific hinge, door assembly, wiring preparation and fire\/egress compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer warranty:\u003c\/strong\u003e Command Access literature advertises a three-year hinge warranty, subject to current manufacturer terms and exclusions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 630 CH-BB91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier \/ Shopify SKU\u003c\/th\u003e\n\u003ctd\u003eETH4W4545-630-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Category\u003c\/th\u003e\n\u003ctd\u003eElectrified power-transfer \/ energy-transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Height\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Width\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003eFive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corner; confirm manufacturer template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis \/ Configuration\u003c\/th\u003e\n\u003ctd\u003eCH-BB91; verify bearing details and template for exact supplied hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArchitectural Finish\u003c\/th\u003e\n\u003ctd\u003e630 \/ US32D Satin Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Gauge\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePublished ETH4W Family Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 A continuous at 24 VDC for designated wire arrangement; confirm latest manufacturer instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary Function\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer from hinge jamb to door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed per distributor literature; confirm mounting template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead Length\u003c\/th\u003e\n\u003ctd\u003eConfirm lead option and termination on the supplied version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Contents\u003c\/th\u003e\n\u003ctd\u003eOne factory-wired power-transfer hinge; confirm fasteners and leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb estimated packaged shipping weight for Shopify\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCommon Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectrified mortise and cylindrical locksets that are compatible with 26-gauge wiring\u003c\/li\u003e\n\u003cli\u003eAppropriately rated electric exit trims and powered door hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted proximity readers, low-current indicators and monitoring contacts\u003c\/li\u003e\n\u003cli\u003eFrame-to-door signaling and door-position status circuits\u003c\/li\u003e\n\u003cli\u003eCommercial offices, healthcare facilities, schools, institutional and industrial openings\u003c\/li\u003e\n\u003cli\u003eReplacement projects requiring a specific 4-1\/2\" x 4-1\/2\", 630-finish, four-wire full-mortise hinge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eETH4W vs. ETH4WH: Wire Gauge Matters\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eETH4W\u003c\/strong\u003e model contains \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e. An \u003cstrong\u003eETH4WH\u003c\/strong\u003e uses a different conductor bundle of \u003cstrong\u003etwo 18 AWG and two 26 AWG wires\u003c\/strong\u003e. Certain electric latch-retraction motors, solenoids and other high-current devices require the heavier power pair or a different manufacturer-approved energy transfer assembly. Check operating\/inrush current, wire distances, supply voltage and manufacturer wiring diagrams before substituting one product for another.\u003c\/p\u003e\n\u003ch3\u003eSelection and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch dimensions:\u003c\/strong\u003e Verify \u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide\u003c\/strong\u003e, full-mortise five-knuckle standard-weight installation with correct screw-hole pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the finish and configuration:\u003c\/strong\u003e Select \u003cstrong\u003e630 \/ US32D Satin Stainless Steel\u003c\/strong\u003e with \u003cstrong\u003eCH-BB91\u003c\/strong\u003e; this is not a plated-steel 626 or black 693 hinge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify door and frame preparation:\u003c\/strong\u003e Match square-corner hinge mortises, clearances and electrical raceway openings to current Command Access drawings. Confirm exact bearing and hinge gauge from the manufacturer's template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReview electrical requirements:\u003c\/strong\u003e Check that \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e meet the powered device's continuous\/inrush load and signal requirements; calculate allowable voltage drop and select any required power controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the wire harness:\u003c\/strong\u003e Use approved wire paths and avoid pinching, cutting or twisting wires as the hinge leaves are installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest and inspect:\u003c\/strong\u003e Check continuity, complete door swing, lock or exit trim operation and any required fire-door or egress compliance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 630 CH-BB91\u003c\/strong\u003e \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e electrified energy-transfer hinge with \u003cstrong\u003e630 Satin Stainless Steel\u003c\/strong\u003e finish and \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Confirm the supplied lead\/connector and mounting hardware package when ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lockset, electric strike, exit device, reader, controller, power supply, door, frame or additional field wiring. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e626 Satin Chrome | ETH4W4545 626 CH-BB79\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 626 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e provides a concealed wiring path between the hinge jamb and door leaf for commercial access-controlled openings. This product is a \u003cstrong\u003e4-1\/2\" x 4-1\/2\" full-mortise, five-knuckle, standard-weight hinge\u003c\/strong\u003e with a \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e finish on a \u003cstrong\u003eCH-BB79 steel-base configuration\u003c\/strong\u003e. Four factory-installed electrical conductors carry compatible low-voltage power, control, and monitoring signals through the hinge so the opening does not require an exposed cable loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect wiring specification:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e configuration contains \u003cstrong\u003efour 26 AWG wires (4 x 26-gauge conductors)\u003c\/strong\u003e. This model is \u003cstrong\u003enot\u003c\/strong\u003e the \u003cstrong\u003eETH4WH\u003c\/strong\u003e heavy-wire version, which has \u003cstrong\u003etwo 18 AWG power wires plus two 26 AWG signal wires\u003c\/strong\u003e. Check the powered door device's current requirements, inrush demands, wire assignments, run length, and voltage drop before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect finish and construction:\u003c\/strong\u003e This is \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e (satin chromium-plated steel), commonly identified by distributor finish code \u003cstrong\u003e652 \/ US26D\u003c\/strong\u003e. The \u003cstrong\u003eCH-BB79 steel-base\u003c\/strong\u003e version differs from a \u003cstrong\u003e630 \/ US32D satin stainless steel CH-BB91\u003c\/strong\u003e hinge and from the \u003cstrong\u003e693 Black\u003c\/strong\u003e version. A distributor specification identifies this particular 626 CH-BB79 configuration as a \u003cstrong\u003eplain-bearing\u003c\/strong\u003e full-mortise hinge. Verify the exact factory template and bearing configuration when replacing a previously installed hinge.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed four-wire transfer:\u003c\/strong\u003e Four factory-installed \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors provide a protected low-voltage connection between door frame and leaf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" size:\u003c\/strong\u003e Both height and width are four-and-a-half inches; select matching hinge mortises and manufacturer screw-hole preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight:\u003c\/strong\u003e Commercial \u003cstrong\u003e5SW\u003c\/strong\u003e five-knuckle full-mortise design; verify door size, hinge loading, bearing and template compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e626 \/ US26D Satin Chrome:\u003c\/strong\u003e Satin chromium-plated steel-base finish to coordinate with matching commercial locksets, exit hardware and architectural hinges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB79 steel-base:\u003c\/strong\u003e Correct steel-base product configuration, not the CH-BB91 stainless-steel version or black-finish alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare corners:\u003c\/strong\u003e Standard square-corner full-mortise preparation; check the approved manufacturer drawing for the exact screw-hole pattern and required raceway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage electrical integration:\u003c\/strong\u003e Suitable for properly designed powered locksets, electric exit trim, door monitoring and similar circuits within the manufacturer ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished ETH4W family limits:\u003c\/strong\u003e Commonly listed continuous rating is \u003cstrong\u003e1 amp at 24 VDC\u003c\/strong\u003e for the designated conductor arrangement; follow the latest factory specifications and connected hardware instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected wire access:\u003c\/strong\u003e Manufacturer family literature describes a centrally located wire opening and non-conductive protective cap to help protect the harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-foot lead options:\u003c\/strong\u003e Manufacturer literature lists 4-foot lead availability. Confirm the actual supplied wire lead length, termination and connectors before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation appearance:\u003c\/strong\u003e Eliminates an exposed frame-to-door wiring loop on correctly prepared doors and frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial safety:\u003c\/strong\u003e Confirm fire-rated door hardware approval, access-control regulations, and egress functionality for the complete opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 626 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 626 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eConcealed electrified power \/ energy transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight, five-knuckle (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corner; verify factory hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing\u003c\/th\u003e\n\u003ctd\u003ePlain bearing per published distributor specification; confirm exact replacement requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB79 steel-base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArchitectural Finish\u003c\/th\u003e\n\u003ctd\u003e626 \/ US26D Satin Chrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistributor Finish Code\u003c\/th\u003e\n\u003ctd\u003e652 \/ US26D, satin chromium plated steel base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Wire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Size\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eETH4W Family Continuous Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 A at 24 VDC for manufacturer-designated pairing; verify actual limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Function\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer between frame and door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed per distributor specifications; verify installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm actual supplied 4-foot lead option, connector and termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Product\u003c\/th\u003e\n\u003ctd\u003eOne electrically wired power transfer hinge; verify installation hardware package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb, estimated packaged shipping weight for Shopify\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible electrified mortise and cylindrical locksets on single or paired commercial doors\u003c\/li\u003e\n\u003cli\u003eApproved electric exit trim and low-current access-control hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted card readers, low-voltage indicators and controlled-access signaling devices\u003c\/li\u003e\n\u003cli\u003eDoor-position or latch-status monitoring circuits using approved conductor allocation\u003c\/li\u003e\n\u003cli\u003eCommercial office, institutional, school, hospital and facility-maintenance openings requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of an exact \u003cstrong\u003eETH4W4545 626 CH-BB79\u003c\/strong\u003e hinge with matching mortise, corner, bearing and electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Wire Harness\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eETH4W\u003c\/strong\u003e hinge has \u003cstrong\u003e4 x 26 AWG conductors\u003c\/strong\u003e, whereas \u003cstrong\u003eETH4WH\u003c\/strong\u003e uses \u003cstrong\u003e2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e. Higher-current latch-retraction motors, high-inrush solenoids and some powered locks may require larger power conductors or dedicated power-transfer hardware. Never substitute the ETH4W for a heavier-wire model based only on hinge size or finish. Confirm voltage drop, duty cycle, current limits, control wiring and manufacturer-approved use.\u003c\/p\u003e\n\u003ch3\u003eSelection and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the exact size:\u003c\/strong\u003e Confirm \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e dimensions, five-knuckle standard-weight full-mortise design and square-corner door\/frame preparations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the hardware schedule:\u003c\/strong\u003e Specify \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e on \u003cstrong\u003eCH-BB79 steel base\u003c\/strong\u003e, rather than 630 stainless or 693 black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the manufacturer's template:\u003c\/strong\u003e Confirm bearing, hinge thickness, screw-hole placement, wire access openings, frame clearance and installation orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify electrical load and wiring:\u003c\/strong\u003e Check the required \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e against continuous\/inrush loads, distances, voltage drop and the connected device manufacturer's diagram.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute conductors safely:\u003c\/strong\u003e Prepare approved internal door and jamb pathways, protecting the hinge wires from pinching, abrasion and over-tension during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after fitting:\u003c\/strong\u003e Confirm electrical continuity, full door swing, latch\/lock operation, monitoring signals and applicable egress or rated-opening requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 626 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" satin-chrome electrified hinge with \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Verify actual lead length, mounting screws, connector options and other package contents before ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lock, exit device, reader, controller, power supply, door, frame, latch-retraction unit or additional field wiring. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e625 Polished Chrome | ETH4W4545-651-5SW\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 625 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e provides a concealed wiring path between the hinge jamb and door leaf for commercial access-controlled openings. This product is a \u003cstrong\u003e4-1\/2\" x 4-1\/2\" full-mortise, five-knuckle, standard-weight hinge\u003c\/strong\u003e with a \u003cstrong\u003e625 \/ US26 Bright Chrome (Polished Chrome)\u003c\/strong\u003e finish on a \u003cstrong\u003eCH-BB79 steel-base configuration\u003c\/strong\u003e. Four factory-installed electrical conductors carry compatible low-voltage power, control, and monitoring signals through the hinge so the opening does not require an exposed cable loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect wiring specification:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e configuration contains \u003cstrong\u003efour 26 AWG wires (4 x 26-gauge conductors)\u003c\/strong\u003e. This model is \u003cstrong\u003enot\u003c\/strong\u003e the \u003cstrong\u003eETH4WH\u003c\/strong\u003e heavy-wire version, which has \u003cstrong\u003etwo 18 AWG power wires plus two 26 AWG signal wires\u003c\/strong\u003e. Check the powered door device's current requirements, inrush demands, wire assignments, run length, and voltage drop before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect finish and construction:\u003c\/strong\u003e This is \u003cstrong\u003e625 \/ US26 Bright Chrome (Polished Chrome)\u003c\/strong\u003e (bright chromium-plated steel), commonly identified by distributor finish code \u003cstrong\u003e651 \/ US26\u003c\/strong\u003e. The \u003cstrong\u003eCH-BB79 steel-base\u003c\/strong\u003e version differs from a \u003cstrong\u003e630 \/ US32D satin stainless steel CH-BB91\u003c\/strong\u003e hinge and from the \u003cstrong\u003e693 Black\u003c\/strong\u003e version. The distributor confirms five-knuckle standard-weight construction; verify the exact bearing, hole template and door\/frame preparation for this 625 bright-chrome model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExact bright-chrome finish:\u003c\/strong\u003e Supplier SKU \u003cstrong\u003eETH4W4545-651-5SW\u003c\/strong\u003e is the \u003cstrong\u003e625 \/ US26 Polished (Bright) Chrome\u003c\/strong\u003e hinge with supplier finish code \u003cstrong\u003e651 \/ US26\u003c\/strong\u003e. The reflective bright chromium-plated steel-base appearance is distinct from 626\/US26D satin chrome. Dimensions remain \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e, five-knuckle standard-weight full mortise, CH-BB79 steel-base, with \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Verify the bearing and the current factory template before substituting it for an existing hinge.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed four-wire transfer:\u003c\/strong\u003e Four factory-installed \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors provide a protected low-voltage connection between door frame and leaf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" size:\u003c\/strong\u003e Both height and width are four-and-a-half inches; select matching hinge mortises and manufacturer screw-hole preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight:\u003c\/strong\u003e Commercial \u003cstrong\u003e5SW\u003c\/strong\u003e five-knuckle full-mortise design; verify door size, hinge loading, bearing and template compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e625 \/ US26 Bright Chrome (Polished Chrome):\u003c\/strong\u003e Bright chromium-plated steel-base finish to coordinate with matching commercial locksets, exit hardware and architectural hinges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB79 steel-base:\u003c\/strong\u003e Correct steel-base product configuration, not the CH-BB91 stainless-steel version or black-finish alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare corners:\u003c\/strong\u003e Standard square-corner full-mortise preparation; check the approved manufacturer drawing for the exact screw-hole pattern and required raceway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage electrical integration:\u003c\/strong\u003e Suitable for properly designed powered locksets, electric exit trim, door monitoring and similar circuits within the manufacturer ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished ETH4W family limits:\u003c\/strong\u003e Commonly listed continuous rating is \u003cstrong\u003e1 amp at 24 VDC\u003c\/strong\u003e for the designated conductor arrangement; follow the latest factory specifications and connected hardware instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected wire access:\u003c\/strong\u003e Manufacturer family literature describes a centrally located wire opening and non-conductive protective cap to help protect the harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-foot lead options:\u003c\/strong\u003e Manufacturer literature lists 4-foot lead availability. Confirm the actual supplied wire lead length, termination and connectors before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation appearance:\u003c\/strong\u003e Eliminates an exposed frame-to-door wiring loop on correctly prepared doors and frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial safety:\u003c\/strong\u003e Confirm fire-rated door hardware approval, access-control regulations, and egress functionality for the complete opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 625 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 625 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eConcealed electrified power \/ energy transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight, five-knuckle (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corner; verify factory hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing\u003c\/th\u003e\n\u003ctd\u003eConfirm actual bearing and mounting template with manufacturer for this exact finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB79 steel-base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArchitectural Finish\u003c\/th\u003e\n\u003ctd\u003e625 \/ US26 Bright Chrome (Polished Chrome)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistributor Finish Code\u003c\/th\u003e\n\u003ctd\u003e651 \/ US26, bright chromium plated steel base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Wire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Size\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eETH4W Family Continuous Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 A at 24 VDC for manufacturer-designated pairing; verify actual limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Function\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer between frame and door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed per distributor specifications; verify installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm actual supplied 4-foot lead option, connector and termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Product\u003c\/th\u003e\n\u003ctd\u003eOne electrically wired power transfer hinge; verify installation hardware package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb, estimated packaged shipping weight for Shopify\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible electrified mortise and cylindrical locksets on single or paired commercial doors\u003c\/li\u003e\n\u003cli\u003eApproved electric exit trim and low-current access-control hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted card readers, low-voltage indicators and controlled-access signaling devices\u003c\/li\u003e\n\u003cli\u003eDoor-position or latch-status monitoring circuits using approved conductor allocation\u003c\/li\u003e\n\u003cli\u003eCommercial office, institutional, school, hospital and facility-maintenance openings requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of an exact \u003cstrong\u003eETH4W4545 625 CH-BB79\u003c\/strong\u003e hinge with matching mortise, corner, bearing and electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Wire Harness\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eETH4W\u003c\/strong\u003e hinge has \u003cstrong\u003e4 x 26 AWG conductors\u003c\/strong\u003e, whereas \u003cstrong\u003eETH4WH\u003c\/strong\u003e uses \u003cstrong\u003e2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e. Higher-current latch-retraction motors, high-inrush solenoids and some powered locks may require larger power conductors or dedicated power-transfer hardware. Never substitute the ETH4W for a heavier-wire model based only on hinge size or finish. Confirm voltage drop, duty cycle, current limits, control wiring and manufacturer-approved use.\u003c\/p\u003e\n\u003ch3\u003eSelection and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the exact size:\u003c\/strong\u003e Confirm \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e dimensions, five-knuckle standard-weight full-mortise design and square-corner door\/frame preparations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the hardware schedule:\u003c\/strong\u003e Specify \u003cstrong\u003e625 \/ US26 Bright Chrome (Polished Chrome)\u003c\/strong\u003e on \u003cstrong\u003eCH-BB79 steel base\u003c\/strong\u003e, rather than 630 stainless or 693 black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the manufacturer's template:\u003c\/strong\u003e Confirm bearing, hinge thickness, screw-hole placement, wire access openings, frame clearance and installation orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify electrical load and wiring:\u003c\/strong\u003e Check the required \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e against continuous\/inrush loads, distances, voltage drop and the connected device manufacturer's diagram.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute conductors safely:\u003c\/strong\u003e Prepare approved internal door and jamb pathways, protecting the hinge wires from pinching, abrasion and over-tension during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after fitting:\u003c\/strong\u003e Confirm electrical continuity, full door swing, latch\/lock operation, monitoring signals and applicable egress or rated-opening requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 625 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" polished-chrome electrified hinge with \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Verify actual lead length, mounting screws, connector options and other package contents before ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lock, exit device, reader, controller, power supply, door, frame, latch-retraction unit or additional field wiring. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e613 Oil Rubbed Bronze | ETH4W4545-640-5SW\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 613 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e provides a concealed wiring path between the hinge jamb and door leaf for commercial access-controlled openings. This product is a \u003cstrong\u003e4-1\/2\" x 4-1\/2\" full-mortise, five-knuckle, standard-weight hinge\u003c\/strong\u003e with a \u003cstrong\u003e613 \/ US10B Oil Rubbed Bronze\u003c\/strong\u003e finish on a \u003cstrong\u003eCH-BB79 steel-base configuration\u003c\/strong\u003e. Four factory-installed electrical conductors carry compatible low-voltage power, control, and monitoring signals through the hinge so the opening does not require an exposed cable loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect wiring specification:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e configuration contains \u003cstrong\u003efour 26 AWG wires (4 x 26-gauge conductors)\u003c\/strong\u003e. This model is \u003cstrong\u003enot\u003c\/strong\u003e the \u003cstrong\u003eETH4WH\u003c\/strong\u003e heavy-wire version, which has \u003cstrong\u003etwo 18 AWG power wires plus two 26 AWG signal wires\u003c\/strong\u003e. Check the powered door device's current requirements, inrush demands, wire assignments, run length, and voltage drop before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect finish and construction:\u003c\/strong\u003e This is \u003cstrong\u003e613 \/ US10B Oil Rubbed Bronze\u003c\/strong\u003e (oxidized satin bronze over copper-plated steel), commonly identified by distributor finish code \u003cstrong\u003e640 \/ US10B\u003c\/strong\u003e. The \u003cstrong\u003eCH-BB79 steel-base\u003c\/strong\u003e version differs from a \u003cstrong\u003e630 \/ US32D satin stainless steel CH-BB91\u003c\/strong\u003e hinge and from the \u003cstrong\u003e693 Black\u003c\/strong\u003e version. The supplier identifies this model as a five-knuckle standard-weight hinge. Confirm bearing type, hinge thickness, and mounting template for this exact finish and chassis before replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e613 \/ US10B oil-rubbed bronze finish:\u003c\/strong\u003e The \u003cstrong\u003eETH4W4545 613 CH-BB79\u003c\/strong\u003e is the \u003cstrong\u003eoxidized satin bronze over copper-plated, oil-rubbed finish\u003c\/strong\u003e on a steel-base CH-BB79 hinge. It carries supplier finish code \u003cstrong\u003e640 \/ US10B\u003c\/strong\u003e and differs in color from polished brass, satin bronze, and satin chrome variants. The correct supplier SKU is \u003cstrong\u003eETH4W4545-640-5SW\u003c\/strong\u003e. This model remains a \u003cstrong\u003efive-knuckle standard-weight (5SW)\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" full-mortise hinge with \u003cstrong\u003e4 x 26 AWG\u003c\/strong\u003e concealed conductors. Match the existing hinge preparation and electrical specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed four-wire transfer:\u003c\/strong\u003e Four factory-installed \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors provide a protected low-voltage connection between door frame and leaf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" size:\u003c\/strong\u003e Both height and width are four-and-a-half inches; select matching hinge mortises and manufacturer screw-hole preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight:\u003c\/strong\u003e Commercial \u003cstrong\u003e5SW\u003c\/strong\u003e five-knuckle full-mortise design; verify door size, hinge loading, bearing and template compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e613 \/ US10B Oil Rubbed Bronze:\u003c\/strong\u003e Satin chromium-plated steel-base finish to coordinate with matching commercial locksets, exit hardware and architectural hinges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB79 steel-base:\u003c\/strong\u003e Correct steel-base product configuration, not the CH-BB91 stainless-steel version or black-finish alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare corners:\u003c\/strong\u003e Standard square-corner full-mortise preparation; check the approved manufacturer drawing for the exact screw-hole pattern and required raceway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage electrical integration:\u003c\/strong\u003e Suitable for properly designed powered locksets, electric exit trim, door monitoring and similar circuits within the manufacturer ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished ETH4W family limits:\u003c\/strong\u003e Commonly listed continuous rating is \u003cstrong\u003e1 amp at 24 VDC\u003c\/strong\u003e for the designated conductor arrangement; follow the latest factory specifications and connected hardware instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected wire access:\u003c\/strong\u003e Manufacturer family literature describes a centrally located wire opening and non-conductive protective cap to help protect the harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-foot lead options:\u003c\/strong\u003e Manufacturer literature lists 4-foot lead availability. Confirm the actual supplied wire lead length, termination and connectors before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation appearance:\u003c\/strong\u003e Eliminates an exposed frame-to-door wiring loop on correctly prepared doors and frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial safety:\u003c\/strong\u003e Confirm fire-rated door hardware approval, access-control regulations, and egress functionality for the complete opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 613 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify \/ Supplier SKU\u003c\/th\u003e\n\u003ctd\u003eETH4W4545-640-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eConcealed electrified power \/ energy transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight, five-knuckle (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corner; verify factory hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing\u003c\/th\u003e\n\u003ctd\u003eVerify bearing style and current Command Access hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB79 steel-base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArchitectural Finish\u003c\/th\u003e\n\u003ctd\u003e613 \/ US10B Oil Rubbed Bronze, oxidized satin bronze over copper-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistributor Finish Code\u003c\/th\u003e\n\u003ctd\u003e640 \/ US10B; oxidized satin bronze over copper plated, oil rubbed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Wire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Size\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eETH4W Family Continuous Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 A at 24 VDC for manufacturer-designated pairing; verify actual limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Function\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer between frame and door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed per distributor specifications; verify installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm actual supplied 4-foot lead option, connector and termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Product\u003c\/th\u003e\n\u003ctd\u003eOne electrically wired power transfer hinge; verify installation hardware package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb, estimated packaged shipping weight for Shopify\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible electrified mortise and cylindrical locksets on single or paired commercial doors\u003c\/li\u003e\n\u003cli\u003eApproved electric exit trim and low-current access-control hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted card readers, low-voltage indicators and controlled-access signaling devices\u003c\/li\u003e\n\u003cli\u003eDoor-position or latch-status monitoring circuits using approved conductor allocation\u003c\/li\u003e\n\u003cli\u003eCommercial office, institutional, school, hospital and facility-maintenance openings requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of an exact \u003cstrong\u003eETH4W4545 613 CH-BB79\u003c\/strong\u003e hinge with matching mortise, corner, bearing and electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Wire Harness\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eETH4W\u003c\/strong\u003e hinge has \u003cstrong\u003e4 x 26 AWG conductors\u003c\/strong\u003e, whereas \u003cstrong\u003eETH4WH\u003c\/strong\u003e uses \u003cstrong\u003e2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e. Higher-current latch-retraction motors, high-inrush solenoids and some powered locks may require larger power conductors or dedicated power-transfer hardware. Never substitute the ETH4W for a heavier-wire model based only on hinge size or finish. Confirm voltage drop, duty cycle, current limits, control wiring and manufacturer-approved use.\u003c\/p\u003e\n\u003ch3\u003eSelection and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the exact size:\u003c\/strong\u003e Confirm \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e dimensions, five-knuckle standard-weight full-mortise design and square-corner door\/frame preparations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the hardware schedule:\u003c\/strong\u003e Specify \u003cstrong\u003e613 \/ US10B Oil Rubbed Bronze\u003c\/strong\u003e on \u003cstrong\u003eCH-BB79 steel base\u003c\/strong\u003e, rather than 630 stainless, 626 satin chrome or 693 black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the manufacturer's template:\u003c\/strong\u003e Confirm bearing, hinge thickness, screw-hole placement, wire access openings, frame clearance and installation orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify electrical load and wiring:\u003c\/strong\u003e Check the required \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e against continuous\/inrush loads, distances, voltage drop and the connected device manufacturer's diagram.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute conductors safely:\u003c\/strong\u003e Prepare approved internal door and jamb pathways, protecting the hinge wires from pinching, abrasion and over-tension during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after fitting:\u003c\/strong\u003e Confirm electrical continuity, full door swing, latch\/lock operation, monitoring signals and applicable egress or rated-opening requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 613 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" oil-rubbed bronze electrified hinge with \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Verify actual lead length, mounting screws, connector options and other package contents before ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lock, exit device, reader, controller, power supply, door, frame, latch-retraction unit or additional field wiring. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e612 Satin Bronze | ETH4W4545-639-5SW\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4W4545 612 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e provides a concealed wiring path between the hinge jamb and door leaf for commercial access-controlled openings. This product is a \u003cstrong\u003e4-1\/2\" x 4-1\/2\" full-mortise, five-knuckle, standard-weight hinge\u003c\/strong\u003e with a \u003cstrong\u003e612 \/ US10 Satin Bronze\u003c\/strong\u003e finish on a \u003cstrong\u003eCH-BB79 steel-base configuration\u003c\/strong\u003e. Four factory-installed electrical conductors carry compatible low-voltage power, control, and monitoring signals through the hinge so the opening does not require an exposed cable loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect wiring specification:\u003c\/strong\u003e The \u003cstrong\u003eETH4W\u003c\/strong\u003e configuration contains \u003cstrong\u003efour 26 AWG wires (4 x 26-gauge conductors)\u003c\/strong\u003e. This model is \u003cstrong\u003enot\u003c\/strong\u003e the \u003cstrong\u003eETH4WH\u003c\/strong\u003e heavy-wire version, which has \u003cstrong\u003etwo 18 AWG power wires plus two 26 AWG signal wires\u003c\/strong\u003e. Check the powered door device's current requirements, inrush demands, wire assignments, run length, and voltage drop before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrect finish and construction:\u003c\/strong\u003e This is \u003cstrong\u003e612 \/ US10 Satin Bronze\u003c\/strong\u003e (satin bronze plated, clear-coated steel), commonly identified by distributor finish code \u003cstrong\u003e639 \/ US10\u003c\/strong\u003e. The \u003cstrong\u003eCH-BB79 steel-base\u003c\/strong\u003e version differs from a \u003cstrong\u003e630 \/ US32D satin stainless steel CH-BB91\u003c\/strong\u003e hinge and from the \u003cstrong\u003e693 Black\u003c\/strong\u003e version. The supplier identifies this model as a five-knuckle standard-weight hinge. Confirm bearing type, hinge thickness, and mounting template for this exact finish and chassis before replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e612 \/ US10 Satin Bronze finish:\u003c\/strong\u003e The \u003cstrong\u003eETH4W4545 612 CH-BB79\u003c\/strong\u003e uses a \u003cstrong\u003esatin bronze plated, clear-coated finish\u003c\/strong\u003e on a \u003cstrong\u003eCH-BB79 steel-base\u003c\/strong\u003e hinge. This model has the supplier finish code \u003cstrong\u003e639 \/ US10\u003c\/strong\u003e, different from the darker satin bronze finish and the brighter satin brass finish. Supplier SKU: \u003cstrong\u003eETH4W4545-639-5SW\u003c\/strong\u003e. It remains a \u003cstrong\u003e4-1\/2\" x 4-1\/2\" five-knuckle standard-weight (5SW)\u003c\/strong\u003e full-mortise hinge with \u003cstrong\u003efour 26 AWG\u003c\/strong\u003e concealed conductors. Confirm the hinge bearing, installation preparation and electrical design before ordering.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed four-wire transfer:\u003c\/strong\u003e Four factory-installed \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors provide a protected low-voltage connection between door frame and leaf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" x 4-1\/2\" size:\u003c\/strong\u003e Both height and width are four-and-a-half inches; select matching hinge mortises and manufacturer screw-hole preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight:\u003c\/strong\u003e Commercial \u003cstrong\u003e5SW\u003c\/strong\u003e five-knuckle full-mortise design; verify door size, hinge loading, bearing and template compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e612 \/ US10 Satin Bronze:\u003c\/strong\u003e Satin bronze plated steel-base finish with a clear protective coating, coordinated with matching commercial architectural hinges and door hardware; supplier code \u003cstrong\u003e639 \/ US10\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB79 steel-base:\u003c\/strong\u003e Correct steel-base product configuration, not the CH-BB91 stainless-steel version or black-finish alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare corners:\u003c\/strong\u003e Standard square-corner full-mortise preparation; check the approved manufacturer drawing for the exact screw-hole pattern and required raceway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage electrical integration:\u003c\/strong\u003e Suitable for properly designed powered locksets, electric exit trim, door monitoring and similar circuits within the manufacturer ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished ETH4W family limits:\u003c\/strong\u003e Commonly listed continuous rating is \u003cstrong\u003e1 amp at 24 VDC\u003c\/strong\u003e for the designated conductor arrangement; follow the latest factory specifications and connected hardware instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected wire access:\u003c\/strong\u003e Manufacturer family literature describes a centrally located wire opening and non-conductive protective cap to help protect the harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-foot lead options:\u003c\/strong\u003e Manufacturer literature lists 4-foot lead availability. Confirm the actual supplied wire lead length, termination and connectors before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional installation appearance:\u003c\/strong\u003e Eliminates an exposed frame-to-door wiring loop on correctly prepared doors and frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial safety:\u003c\/strong\u003e Confirm fire-rated door hardware approval, access-control regulations, and egress functionality for the complete opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCommand Access Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Model\u003c\/th\u003e\n\u003ctd\u003eETH4W4545 612 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify \/ Supplier SKU\u003c\/th\u003e\n\u003ctd\u003eETH4W4545-639-5SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eConcealed electrified power \/ energy transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Series\u003c\/th\u003e\n\u003ctd\u003eETH4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHinge Type\u003c\/th\u003e\n\u003ctd\u003eFull mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckles\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard weight, five-knuckle (5SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Preparation\u003c\/th\u003e\n\u003ctd\u003eSquare corner; verify factory hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing\u003c\/th\u003e\n\u003ctd\u003eVerify bearing style and current Command Access hinge template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB79 steel-base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArchitectural Finish\u003c\/th\u003e\n\u003ctd\u003e612 \/ US10 Satin Bronze, satin bronze plated and clear coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistributor Finish Code\u003c\/th\u003e\n\u003ctd\u003e639 \/ US10, satin bronze plated and clear coated steel base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Wire Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Size\u003c\/th\u003e\n\u003ctd\u003e4 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eETH4W Family Continuous Rating\u003c\/th\u003e\n\u003ctd\u003e1.0 A at 24 VDC for manufacturer-designated pairing; verify actual limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Function\u003c\/th\u003e\n\u003ctd\u003eConcealed low-voltage power and signal transfer between frame and door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed per distributor specifications; verify installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm actual supplied 4-foot lead option, connector and termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Product\u003c\/th\u003e\n\u003ctd\u003eOne electrically wired power transfer hinge; verify installation hardware package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb, estimated packaged shipping weight for Shopify\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Commercial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible electrified mortise and cylindrical locksets on single or paired commercial doors\u003c\/li\u003e\n\u003cli\u003eApproved electric exit trim and low-current access-control hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted card readers, low-voltage indicators and controlled-access signaling devices\u003c\/li\u003e\n\u003cli\u003eDoor-position or latch-status monitoring circuits using approved conductor allocation\u003c\/li\u003e\n\u003cli\u003eCommercial office, institutional, school, hospital and facility-maintenance openings requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of an exact \u003cstrong\u003eETH4W4545 612 CH-BB79\u003c\/strong\u003e hinge with matching mortise, corner, bearing and electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Wire Harness\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eETH4W\u003c\/strong\u003e hinge has \u003cstrong\u003e4 x 26 AWG conductors\u003c\/strong\u003e, whereas \u003cstrong\u003eETH4WH\u003c\/strong\u003e uses \u003cstrong\u003e2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e. Higher-current latch-retraction motors, high-inrush solenoids and some powered locks may require larger power conductors or dedicated power-transfer hardware. Never substitute the ETH4W for a heavier-wire model based only on hinge size or finish. Confirm voltage drop, duty cycle, current limits, control wiring and manufacturer-approved use.\u003c\/p\u003e\n\u003ch3\u003eSelection and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the exact size:\u003c\/strong\u003e Confirm \u003cstrong\u003e4-1\/2\" x 4-1\/2\"\u003c\/strong\u003e dimensions, five-knuckle standard-weight full-mortise design and square-corner door\/frame preparations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the hardware schedule:\u003c\/strong\u003e Specify \u003cstrong\u003e612 \/ US10 Satin Bronze\u003c\/strong\u003e on \u003cstrong\u003eCH-BB79 steel base\u003c\/strong\u003e, rather than 613 oil-rubbed bronze, 630 satin stainless, 626 satin chrome or 693 black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the manufacturer's template:\u003c\/strong\u003e Confirm bearing, hinge thickness, screw-hole placement, wire access openings, frame clearance and installation orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify electrical load and wiring:\u003c\/strong\u003e Check the required \u003cstrong\u003efour 26 AWG wires\u003c\/strong\u003e against continuous\/inrush loads, distances, voltage drop and the connected device manufacturer's diagram.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute conductors safely:\u003c\/strong\u003e Prepare approved internal door and jamb pathways, protecting the hinge wires from pinching, abrasion and over-tension during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after fitting:\u003c\/strong\u003e Confirm electrical continuity, full door swing, latch\/lock operation, monitoring signals and applicable egress or rated-opening requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4W4545 612 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" satin bronze electrified hinge with \u003cstrong\u003efour 26 AWG conductors\u003c\/strong\u003e. Verify actual lead length, mounting screws, connector options and other package contents before ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lock, exit device, reader, controller, power supply, door, frame, latch-retraction unit or additional field wiring. This listing is for the \u003cstrong\u003eelectrified hinge only\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/details\u003e","brand":"Command Access Technologies","offers":[{"title":"693 Black","offer_id":68030531666135,"sku":"ETH4W4545 693 CH-BB79","price":123.2,"currency_code":"USD","in_stock":true},{"title":"630 Satin Stainless","offer_id":68030718574807,"sku":"ETH4W4545-630-5SW","price":123.2,"currency_code":"USD","in_stock":false},{"title":"626 Satin Chrome","offer_id":68030718607575,"sku":"ETH4W4545 626 CH-BB79","price":89.6,"currency_code":"USD","in_stock":false},{"title":"625 Polished Chrome","offer_id":68030718640343,"sku":"ETH4W4545-651-5SW","price":89.6,"currency_code":"USD","in_stock":false},{"title":"613 Oil Rubbed Bronze","offer_id":68030718673111,"sku":"ETH4W4545-640-5SW","price":89.6,"currency_code":"USD","in_stock":false},{"title":"612 Satin Bronze","offer_id":68030718705879,"sku":"ETH4W4545-639-5SW","price":89.6,"currency_code":"USD","in_stock":false}],"url":"https:\/\/shop.commercialdoorworx.com\/products\/command-access-4-wire-electrified-power-transfer-hinge-4-1-2-x-4-1-2-693-black","provider":"Commercial Door Worx","version":"1.0","type":"link"}