SDC PTH-4Q Four Conductor Power Transfer Hinge, Dull Chrome, 4.5″ x 4.5″

The SDC PTH-4Q is a four-wire 4-1/2″ x 4-1/2″ power transfer hinge with a satin chrome finish. Installed in the center hinge position of the door, PTH power transfer hinges provide the concealed wires required between the door and the frame, for the purpose of powering and monitoring electric door hardware.