WW: Electric Hinge - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
Hager BB1279-5X4.5-26D-E - Pivots, Hinges and Patch Fittings | QH
Electric Hinge Series - BEST
Electrified Steel Butt Hinge | HardwareSource
Stainless Steel 4 1/2 x 4 1/2 Inch Electrified Butt Hinge | Hardware Source
Electrified Hinge With Monitoring | Free Shipping
McKinney TA2714-QC12 4.5" x 4.5" Full Mortise Electrified Hinge
Stanley Best CEFBB179-54 4-1/2X4-1/2 1D Four Wire Electrified Hinge Bl – Wholesale Locks Door Hardware
Amazon.com: Seco-Larm SD-H412 Electric Transfer Hinge, Provides A Vandal-resistant Method For Protecting And Concealing Wires Between A Hollow Door And Door Frame, Dimensions 4.5"x4.5"x 0.125"
95236 — RCI Electrified Hinge Electrified Hinge, 2 + 4 Wire, 5 in. x 4-1/2 in, 5 Knuckle, 4 Ft. Lead, Satin Chrome - Amazon.com