{"product_id":"command-access-4-wire-heavy-power-transfer-hinge-4-1-2-x-4-1-2-630-satin-stainless","title":"Command Access 4-Wire Heavy Power 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 Heavy Power 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\u003eETH4WH4545 630 CH-BB91\u003c\/strong\u003e — 630 CH-BB91\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eETH4WH4545 626 CH-BB79\u003c\/strong\u003e — 626 CH-BB79\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\u003cli\u003e\n\u003cstrong\u003eHeavy-weight hinge:\u003c\/strong\u003e Confirm that the heavy-weight assembly meets the door mass, usage and hinge scheduling requirements; it should not be assumed interchangeable with the standard-weight transfer hinge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower and signal wiring:\u003c\/strong\u003e This WH-coded family uses a mixed-gauge conductor arrangement. Match each power and monitoring circuit to the manufacturer's wiring diagram rather than using conductor count alone.\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 2 × 18 AWG power conductors + 2 × 26 AWG signal\/control 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\u003cli\u003e\n\u003cstrong\u003eSeries distinction:\u003c\/strong\u003e The WH-coded configuration may have a different electrical harness and\/or hinge specification from the W-coded family. Check both before substitution.\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\u003e2 × 18 AWG power conductors + 2 × 26 AWG signal\/control conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHarness purpose\u003c\/th\u003e\n\u003ctd\u003eMixed-gauge power and control\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\u003e630 CH-BB91\u003c\/td\u003e\n\u003ctd\u003eETH4WH4545 630 CH-BB91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e626 CH-BB79\u003c\/td\u003e\n\u003ctd\u003eETH4WH4545 626 CH-BB79\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 ETH4WH describes a heavier electrical power pair, not necessarily a mechanically heavy-weight hinge. Compare it with the all-26-AWG ETH4W series.\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\u003eConcealed four-conductor power transfer for commercial doors requiring a mixed-gauge harness: two 18 AWG power wires and two 26 AWG control wires. Choose the exact material and finish shown for each model.\u003c\/p\u003e\u003ch3\u003eModels and specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e630 CH-BB91\u003c\/strong\u003e: ETH4WH4545 630 CH-BB91\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e626 CH-BB79\u003c\/strong\u003e: ETH4WH4545 626 CH-BB79\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e630 CH-BB91 — ETH4WH4545 630 CH-BB91\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4WH4545 630 CH-BB91 Electrified Energy Transfer Hinge\u003c\/strong\u003e is a concealed heavy-wire power-transfer hinge for commercial doors equipped with compatible electrically operated hardware. This \u003cstrong\u003e4-1\/2\" x 4-1\/2\", five-knuckle, standard-weight full-mortise hinge\u003c\/strong\u003e features \u003cstrong\u003e630 \/ US32D Satin Stainless Steel\u003c\/strong\u003e and the \u003cstrong\u003eCH-BB91 stainless-steel hinge configuration\u003c\/strong\u003e. The electrical harness transfers low-voltage power and control signals from the hinge jamb into the moving door leaf without an exposed surface-mounted cord loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant wiring distinction:\u003c\/strong\u003e The \u003cstrong\u003eETH4WH\u003c\/strong\u003e is a \u003cstrong\u003efour-conductor heavy-wire hinge\u003c\/strong\u003e with \u003cstrong\u003etwo 18 AWG power conductors and two 26 AWG signal\/control conductors (2 x 18 AWG + 2 x 26 AWG)\u003c\/strong\u003e. It is \u003cstrong\u003enot the ETH4W\u003c\/strong\u003e model, which uses four 26 AWG conductors. The heavier power pair makes the ETH4WH useful for properly rated higher-current door hardware, but system compatibility still requires evaluation of continuous and inrush current, voltage drop, lead length and wiring instructions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed power and signal transfer:\u003c\/strong\u003e Carries low-voltage wiring from the frame into the door through a factory-wired commercial butt hinge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-wire, mixed-gauge harness:\u003c\/strong\u003e Two \u003cstrong\u003e18 AWG\u003c\/strong\u003e conductors for compatible power circuits plus two \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors for approved signaling or monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-wire ETH4WH design:\u003c\/strong\u003e Differentiated from the all-26-gauge ETH4W model when a powered device needs a larger conductor pair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide:\u003c\/strong\u003e Common commercial full-mortise hinge size; match the actual frame and door preparation and manufacturer's template before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight hinge:\u003c\/strong\u003e Commercial 5-knuckle hinge format with the manufacturer-specified hinge and hole pattern. Verify the exact corner style and screw spacing against the supplied part template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e630 \/ US32D Satin Stainless Steel:\u003c\/strong\u003e Stainless-steel appearance designed to coordinate with matching 630-finish commercial door hardware and stainless steel architectural hinge schedules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB91 version:\u003c\/strong\u003e Manufacturer configuration identifies the stainless-steel-base hinge family. Check the bearing arrangement and approved template for the exact supplied assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced exposed wiring:\u003c\/strong\u003e Concealed route helps protect conductors at the hinge edge and provides a clean appearance on access-controlled openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer family options:\u003c\/strong\u003e Command Access documentation describes a protected, center-located wire access opening, non-conductive wire cap and optional lead configurations. Confirm what is supplied with this specific part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial application:\u003c\/strong\u003e May be used with compatible electrified locksets, electric exit trim, selected latch-retraction devices, door-mounted status circuits and other properly rated security hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-door and egress coordination:\u003c\/strong\u003e Select the exact hinge and wiring design according to the door assembly's listing, the current manufacturer documentation and applicable egress requirements.\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 Part Number\u003c\/th\u003e\n\u003ctd\u003eETH4WH4545 630 CH-BB91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003ctd\u003eETH4WH4545 630 CH-BB91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeavy-wire electrified power-transfer \/ energy-transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eETH4WH\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\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eFive knuckles; full mortise; standard weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB91 stainless-steel hinge configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003e630 \/ US32D Satin Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductor Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Conductors\u003c\/th\u003e\n\u003ctd\u003e2 x 18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal \/ Control Conductors\u003c\/th\u003e\n\u003ctd\u003e2 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eConcealed transfer of low-voltage electrical power and control\/monitoring signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Compatibility\u003c\/th\u003e\n\u003ctd\u003eVerify current, voltage, inrush, voltage drop and wire assignment with device manufacturer's instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Preparation\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" x 4-1\/2\" full-mortise; verify corners and screw template for exact part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eVerify current manufacturer mounting template for installation orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead Length \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm exact supplied lead length and connectors; manufacturer family offers lead options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003eOne wired energy-transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Shipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb packaged weight (shipping estimate)\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\u003eCompatible electrically operated mortise or cylindrical locksets\u003c\/li\u003e\n\u003cli\u003eAccess-controlled openings using approved electric exit trim or motorized latch-retraction hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted monitoring, position indicators and approved signaling circuits\u003c\/li\u003e\n\u003cli\u003eInstitutional, commercial and facility-maintenance door hardware installations requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of a matching \u003cstrong\u003eETH4WH4545\u003c\/strong\u003e hinge on correctly prepared commercial doors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eETH4WH versus ETH4W and ETH6WH\u003c\/h3\u003e\n\u003cp\u003eChoose by both wire count and gauge, not just hinge dimensions. \u003cstrong\u003eETH4WH: 2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e for a power pair and two additional conductors. \u003cstrong\u003eETH4W: 4 x 26 AWG\u003c\/strong\u003e, without the 18 AWG power pair. \u003cstrong\u003eETH6WH: 2 x 18 AWG + 4 x 28 AWG\u003c\/strong\u003e, with a different count and gauge of control conductors. These are distinct electrical configurations and are not drop-in wiring substitutes. Confirm the powered device's approved wire and current requirements before installation.\u003c\/p\u003e\n\u003ch3\u003eOrdering and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the opening:\u003c\/strong\u003e Verify \u003cstrong\u003e4-1\/2\" height x 4-1\/2\" width\u003c\/strong\u003e and the exact frame\/door hinge mortises. Match screw-hole pattern, edge clearances and corner preparation to the Command Access installation template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the material and finish:\u003c\/strong\u003e This is \u003cstrong\u003e630 \/ US32D Satin Stainless Steel\u003c\/strong\u003e and the \u003cstrong\u003eCH-BB91\u003c\/strong\u003e configuration; it is not the steel-base 626\/US26D satin-chrome model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm electrical requirements:\u003c\/strong\u003e Plan for \u003cstrong\u003etwo 18 AWG power wires\u003c\/strong\u003e and \u003cstrong\u003etwo 26 AWG signal wires\u003c\/strong\u003e. Check load, surge current, voltage drop, connected-device wiring and any required power-control modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse approved wire paths:\u003c\/strong\u003e Route wiring within properly prepared door and frame raceways using the manufacturer cut sheet. Do not pinch or abrade conductors behind the hinge leaves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect final operation:\u003c\/strong\u003e Test full door swing, wiring continuity, lock or exit-device operation, status circuits and all applicable egress and rated-opening conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4WH4545 630 CH-BB91\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" satin stainless steel energy-transfer hinge with the integrated \u003cstrong\u003efour-wire harness (2 x 18 AWG + 2 x 26 AWG)\u003c\/strong\u003e. Confirm mounting hardware, factory leads, connector and template package with the supplier prior to ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lockset, exit device, access-control panel, door or frame, power supply, separate controller, relay electronics and 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 CH-BB79 — ETH4WH4545 626 CH-BB79\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe \u003cstrong\u003eCommand Access Technologies ETH4WH4545 626 CH-BB79 Electrified Energy Transfer Hinge\u003c\/strong\u003e is a concealed heavy-wire power-transfer hinge for commercial doors equipped with compatible electrically operated hardware. This \u003cstrong\u003e4-1\/2\" x 4-1\/2\", five-knuckle, standard-weight full-mortise hinge\u003c\/strong\u003e features \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e and the \u003cstrong\u003eCH-BB79 steel-base hinge configuration\u003c\/strong\u003e. The electrical harness transfers low-voltage power and control signals from the hinge jamb into the moving door leaf without an exposed surface-mounted cord loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant wiring distinction:\u003c\/strong\u003e The \u003cstrong\u003eETH4WH\u003c\/strong\u003e is a \u003cstrong\u003efour-conductor heavy-wire hinge\u003c\/strong\u003e with \u003cstrong\u003etwo 18 AWG power conductors and two 26 AWG signal\/control conductors (2 x 18 AWG + 2 x 26 AWG)\u003c\/strong\u003e. It is \u003cstrong\u003enot the ETH4W\u003c\/strong\u003e model, which uses four 26 AWG conductors. The heavier power pair makes the ETH4WH useful for properly rated higher-current door hardware, but system compatibility still requires evaluation of continuous and inrush current, voltage drop, lead length and wiring instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExact finish and construction:\u003c\/strong\u003e Model \u003cstrong\u003eETH4WH4545 626 CH-BB79\u003c\/strong\u003e is the \u003cstrong\u003e4-1\/2\" x 4-1\/2\" square-corner\u003c\/strong\u003e steel-base \u003cstrong\u003eCH-BB79\u003c\/strong\u003e standard-weight hinge with a \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e finish. It uses \u003cstrong\u003efour wires: 2 x 18 AWG for appropriate power circuits plus 2 x 26 AWG for lower-current signaling\/control\u003c\/strong\u003e. It is distinct from the 630 satin stainless-steel CH-BB91 configuration and all-26-AWG ETH4W models. Verify hinge template and electrical suitability against the opening and connected hardware before ordering.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed power and signal transfer:\u003c\/strong\u003e Carries low-voltage wiring from the frame into the door through a factory-wired commercial butt hinge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-wire, mixed-gauge harness:\u003c\/strong\u003e Two \u003cstrong\u003e18 AWG\u003c\/strong\u003e conductors for compatible power circuits plus two \u003cstrong\u003e26 AWG\u003c\/strong\u003e conductors for approved signaling or monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-wire ETH4WH design:\u003c\/strong\u003e Differentiated from the all-26-gauge ETH4W model when a powered device needs a larger conductor pair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2\" high x 4-1\/2\" wide:\u003c\/strong\u003e Common commercial full-mortise hinge size; match the actual frame and door preparation and manufacturer's template before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-knuckle, standard-weight hinge:\u003c\/strong\u003e Commercial 5-knuckle hinge format with the manufacturer-specified hinge and hole pattern. Verify the exact corner style and screw spacing against the supplied part template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e626 \/ US26D Satin Chrome:\u003c\/strong\u003e A satin chromium-plated steel-base hinge finish that coordinates with matching 626\/US26D commercial door hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH-BB79 version:\u003c\/strong\u003e Manufacturer configuration identifies the plated-steel-base hinge family. Check the bearing arrangement and approved template for the exact supplied assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced exposed wiring:\u003c\/strong\u003e Concealed route helps protect conductors at the hinge edge and provides a clean appearance on access-controlled openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer family options:\u003c\/strong\u003e Command Access documentation describes a protected, center-located wire access opening, non-conductive wire cap and optional lead configurations. Confirm what is supplied with this specific part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial application:\u003c\/strong\u003e May be used with compatible electrified locksets, electric exit trim, selected latch-retraction devices, door-mounted status circuits and other properly rated security hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-door and egress coordination:\u003c\/strong\u003e Select the exact hinge and wiring design according to the door assembly's listing, the current manufacturer documentation and applicable egress requirements.\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 Part Number\u003c\/th\u003e\n\u003ctd\u003eETH4WH4545 626 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003ctd\u003eETH4WH4545 626 CH-BB79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeavy-wire electrified power-transfer \/ energy-transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eETH4WH\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\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eFive knuckles; full mortise; standard weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase \/ Chassis\u003c\/th\u003e\n\u003ctd\u003eCH-BB79 steel-base hinge configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003e626 \/ US26D Satin Chrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductor Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Conductors\u003c\/th\u003e\n\u003ctd\u003e2 x 18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal \/ Control Conductors\u003c\/th\u003e\n\u003ctd\u003e2 x 26 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eConcealed transfer of low-voltage electrical power and control\/monitoring signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Compatibility\u003c\/th\u003e\n\u003ctd\u003eVerify current, voltage, inrush, voltage drop and wire assignment with device manufacturer's instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Preparation\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" x 4-1\/2\" full-mortise; verify corners and screw template for exact part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eVerify current manufacturer mounting template for installation orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead Length \/ Termination\u003c\/th\u003e\n\u003ctd\u003eConfirm exact supplied lead length and connectors; manufacturer family offers lead options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003eOne wired energy-transfer hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Shipping Weight\u003c\/th\u003e\n\u003ctd\u003e3 lb packaged weight (shipping estimate)\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\u003eCompatible electrically operated mortise or cylindrical locksets\u003c\/li\u003e\n\u003cli\u003eAccess-controlled openings using approved electric exit trim or motorized latch-retraction hardware\u003c\/li\u003e\n\u003cli\u003eDoor-mounted monitoring, position indicators and approved signaling circuits\u003c\/li\u003e\n\u003cli\u003eInstitutional, commercial and facility-maintenance door hardware installations requiring concealed frame-to-door wiring\u003c\/li\u003e\n\u003cli\u003eReplacement of a matching \u003cstrong\u003eETH4WH4545\u003c\/strong\u003e hinge on correctly prepared commercial doors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eETH4WH versus ETH4W and ETH6WH\u003c\/h3\u003e\n\u003cp\u003eChoose by both wire count and gauge, not just hinge dimensions. \u003cstrong\u003eETH4WH: 2 x 18 AWG + 2 x 26 AWG\u003c\/strong\u003e for a power pair and two additional conductors. \u003cstrong\u003eETH4W: 4 x 26 AWG\u003c\/strong\u003e, without the 18 AWG power pair. \u003cstrong\u003eETH6WH: 2 x 18 AWG + 4 x 28 AWG\u003c\/strong\u003e, with a different count and gauge of control conductors. These are distinct electrical configurations and are not drop-in wiring substitutes. Confirm the powered device's approved wire and current requirements before installation.\u003c\/p\u003e\n\u003ch3\u003eOrdering and Installation Checklist\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the opening:\u003c\/strong\u003e Verify \u003cstrong\u003e4-1\/2\" height x 4-1\/2\" width\u003c\/strong\u003e and the exact frame\/door hinge mortises. Match screw-hole pattern, edge clearances and corner preparation to the Command Access installation template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the material and finish:\u003c\/strong\u003e This is \u003cstrong\u003e626 \/ US26D Satin Chrome\u003c\/strong\u003e and the \u003cstrong\u003eCH-BB79\u003c\/strong\u003e configuration; it is not the steel-base 626\/US26D satin-chrome model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm electrical requirements:\u003c\/strong\u003e Plan for \u003cstrong\u003etwo 18 AWG power wires\u003c\/strong\u003e and \u003cstrong\u003etwo 26 AWG signal wires\u003c\/strong\u003e. Check load, surge current, voltage drop, connected-device wiring and any required power-control modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse approved wire paths:\u003c\/strong\u003e Route wiring within properly prepared door and frame raceways using the manufacturer cut sheet. Do not pinch or abrade conductors behind the hinge leaves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect final operation:\u003c\/strong\u003e Test full door swing, wiring continuity, lock or exit-device operation, status circuits and all applicable egress and rated-opening conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cp\u003eOne \u003cstrong\u003eCommand Access ETH4WH4545 626 CH-BB79\u003c\/strong\u003e 4-1\/2\" x 4-1\/2\" satin chrome-plated steel-base energy-transfer hinge with the integrated \u003cstrong\u003efour-wire harness (2 x 18 AWG + 2 x 26 AWG)\u003c\/strong\u003e. Confirm mounting hardware, factory leads, connector and template package with the supplier prior to ordering.\u003c\/p\u003e\n\u003ch3\u003eNot Included\u003c\/h3\u003e\n\u003cp\u003eElectric lockset, exit device, access-control panel, door or frame, power supply, separate controller, relay electronics and 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":"630 CH-BB91","offer_id":68030381588695,"sku":"ETH4WH4545 630 CH-BB91","price":167.3,"currency_code":"USD","in_stock":true},{"title":"626 CH-BB79","offer_id":68030720606423,"sku":"ETH4WH4545 626 CH-BB79","price":133.7,"currency_code":"USD","in_stock":false}],"url":"https:\/\/shop.commercialdoorworx.com\/products\/command-access-4-wire-heavy-power-transfer-hinge-4-1-2-x-4-1-2-630-satin-stainless","provider":"Commercial Door Worx","version":"1.0","type":"link"}