{"product_id":"command-access-eth4w4545626bb79-electric-hinge-4-wire","title":"Command Access ETH4W4545626BB79 Electric Hinge 4-wire","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COMMAND ACCESS ETH4W4545626BB79 is a 4-wire electric hinge designed for access control door applications requiring power transfer through the hinge point. Built on a steel base and finished in US26D Satin Chrome, this hinge measures 4.5 inches x 4.5 inches and integrates directly into a door frame assembly to carry low-voltage wiring to electrified hardware such as electric strikes, magnetic locks, or electrified exit devices. It replaces the need for external wire runs, keeping installations clean and code-compliant. Licensed electricians and access control technicians are the primary installers of this component.\u003c\/p\u003e\u003cp\u003eThis electric hinge is suited for commercial door openings where concealed power transfer is required. It is compatible with standard 4.5-inch x 4.5-inch hinge cutouts, making it a direct fit for doors already prepped to that specification. The 4-wire configuration supports applications where two conductors carry power and two carry signal or data, a common requirement in access control systems integrating readers, request-to-exit devices, or alarm contacts. The BB79 designation corresponds to the BB1279 hinge series base, confirming fitment in commercial hollow metal and wood door assemblies using that hinge pattern.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-wire configuration supports simultaneous power and signal transfer through the hinge pin\u003c\/li\u003e\n\u003cli\u003e4.5-inch x 4.5-inch leaf size fits standard commercial door hinge preps\u003c\/li\u003e\n\u003cli\u003eSteel base construction provides durability in high-cycle door applications\u003c\/li\u003e\n\u003cli\u003eUS26D Satin Chrome finish for compatibility with common commercial door hardware finishes\u003c\/li\u003e\n\u003cli\u003eBB1279 series base hinge for confirmed fitment in standard commercial assemblies\u003c\/li\u003e\n\u003cli\u003eEliminates exposed wire runs at the door edge for a cleaner, more secure installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit electric hinge replacement for commercial door assemblies prepped for 4.5-inch x 4.5-inch hinges using the BB1279 base hinge series. Compatible with electrified access control hardware requiring a 4-wire low-voltage power transfer path.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed electrician or qualified access control technician familiar with low-voltage wiring practices and local codes. Disconnect all power to the door hardware circuit before removing the existing hinge or making any wire connections. Verify wire gauge and circuit load compatibility with the electrified hardware being powered before completing the installation. Follow NEC guidelines for low-voltage wiring where applicable.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 4.5 inches x 4.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Configuration\u003c\/strong\u003e: 4-Wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: US26D Satin Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Hinge Series\u003c\/strong\u003e: BB1279\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 7.3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 3.4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 2.4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.2 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSales Unit\u003c\/strong\u003e: EA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: COMMAND ACCESS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ETH4W4545626BB79\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMMAND ACCESS TECHNOLOGIES","offers":[{"title":"Default Title","offer_id":51539192283442,"sku":"ETH4W4545626BB79","price":96.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ef80892062e1d35918d9bc3644aeac41_4c4ba297-d423-48e7-9362-f527634b217f.jpg?v=1785836318","url":"https:\/\/voomisupply.com\/products\/command-access-eth4w4545626bb79-electric-hinge-4-wire","provider":"Voomi Supply","version":"1.0","type":"link"}