If full-mortise geared continuous hinge is used:

Power from the frame to the door shall be via a mini-electrified hinge, model # ECH-FM as manufactured by Securitech Group, Inc. Hinge shall measure 1-1/2" long and shall contain four wires which shall pass from one leaf of the hinge to the other through the nylon bearing. The wires are to be concealed at all times.

If ball-bearing hinges are used:

Power from the frame to the door shall be via a full-mortise ball bearing electrified hinge, model # EH__ (indicate hinge size to match other hinges) as manufactured by Securitech Group, Inc. Hinge shall be identical in height and finish to other hinges and shall contain six wires which are concealed at all times and shall pass from one leaf of the hinge to the other. The hinge shall not be installed as the top hinge.

If surface mounted cable is used:

Power from the frame to the door shall be via a power transfer cord, comprised of three separate spring elements surrounding each other, such as model #PTC by Securitech Group, Inc.