Command Access ETH 5 Knuckle Energy Transfer Hinge - Heavy Duty Commercial Door Hinge for Security Gates & High Traffic Areas - Perfect for Schools, Hospitals & Government Buildings

The Energy Transfer Hinge (ETH) is the ideal way to pass low voltage power from the hinge jamb to the lockset without having any exposed wires. These hinges are commonly used with electric mortise and cylindrical locks, electric strikes (when on a pair of doors), electric exit trims, latch pullback devices, door mounted card readers and low voltage door lights.