McKinney T4A3386-4-1/2x4-1/2-US26D-CC8 Electrified Full Mortise Heavy Weight Bearing Hinge, Five Knuckle, 4-1/2" x 4-1/2", [8] Wires With Concealed Circuit, Square Corner, 626 Satin Chrome Finish

The McKinney T4A3386-4-1/2x4-1/2-US26D-CC8 is a heavy weight, five knuckle full mortise bearing hinge engineered for high-traffic openings that require electrified power transfer. Measuring 4-1/2" x 4-1/2" with square corners, it carries eight wires through a concealed circuit, allowing electrical current to pass discreetly between the frame and door for connected hardware such as electric locks, exit devices, or monitoring components. Finished in 626 Satin Chrome, this hinge combines durable ball bearing construction with a clean appearance suited to commercial and institutional environments. It is a dependable choice where reliable door support and hidden electrical transfer are both essential.

Features

• Full mortise design for standard commercial door and frame preparation.
• Five knuckle configuration with ball bearings for smooth, long-lasting operation.
• Heavy weight rating supports high-frequency and high-load door applications.
• Eight wires with concealed circuit for hidden electrified power transfer.
• Square corner profile for compatibility with common commercial installations.
• 626 Satin Chrome finish delivers a durable, professional appearance.

Functional Details

The concealed circuit routes eight electrical wires through the hinge knuckle, transferring power from the frame to the door without exposed cabling. This provides a clean, tamper-resistant connection for electrified door hardware while maintaining normal hinge movement.