McKinney T4A3786-4-1/2x4-1/2-CC8 Electrified Full Mortise Heavy Weight Bearing Hinge, Five Knuckle, 4-1/2" x 4-1/2", [8] Wires With Concealed Circuit, Square Corner

The McKinney T4A3786-4-1/2x4-1/2-CC8 is an electrified full mortise heavy weight bearing hinge built for high-traffic openings that require power transfer to electrified door hardware. Featuring a five knuckle design with concealed circuit wiring, this hinge routes eight wires through the barrel to keep connections hidden and protected. Measuring 4-1/2" x 4-1/2" with square corners, it supports access control, electric locks, and monitored exit devices without exposed cabling. Engineered with anti-friction bearings, the T4A3786 delivers smooth, long-lasting operation under the demands of heavy commercial and institutional use, making it a reliable choice for secure, code-compliant entry systems.

Features

• Electrified full mortise hinge designed to transfer power from frame to door for electrified hardware.
• Concealed circuit (CC8) construction routes eight wires through the hinge barrel for a clean, protected connection.
• Five knuckle heavy weight bearing design handles high-frequency and high-load applications.
• Anti-friction bearings provide smooth, quiet, and durable swing performance.
• 4-1/2" x 4-1/2" size with square corner profile suits standard commercial door preparations.

Functional Details

The concealed circuit design conceals the electrical wiring within the hinge, transferring current between the door and frame while remaining out of sight. This provides a tamper-resistant, aesthetically clean solution for powering electrified locking and monitoring devices.

• Transfers electrical current from frame to door through concealed wiring within the hinge.
• Eight wire configuration supports multiple electrified hardware functions.
• Concealed circuit keeps wiring protected and hidden for security and appearance.