Telecommunications · T-DMSS3

Security Door Access Control and Conduit Rough-In Elevation

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This elevation shows the low-voltage electrical rough-in and security hardware layout for a controlled access door opening between secured and unsecured sides. A six-inch by six-inch junction box labeled 'security' mounts on the secured side and connects via a one-inch conduit to the nearest accessible ceiling, cable tray, or ACAMS panel. Three-quarter-inch conduits stub down into the door frame to house 22-4 cable for the door position switch, 18-2 cable for the electric strike, and 22-4 cable for the request-to-exit device. An entry reader mounts on the unsecured side at 42 inches above the finished floor, served by a three-quarter-inch conduit stubbed into the frame with an 18-6 cable. The installation provides contact switches to monitor door position and generate alarms for held-open or forced conditions.

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