Telecommunications · T-7JQ8K

Double Storefront Door Access Control Security Details

Materials

Elements

Beams Doors Ceilings Floors / Slabs Entrances

About this detail

A security and access control installation for a double storefront glass door system incorporates a mullion-mounted card reader on the unsecure side at forty-two inches above finished floor, connected via eighteen-gauge four-conductor wire inside a three-quarter-inch conduit stubbed down to the midpoint of the door frame. Recessed one-inch door contact switches are positioned six inches from the edge of the door for status monitoring and connected via three-quarter-inch conduit. A request-to-exit sensor is positioned above the opening, with its beam directed away from the threshold, utilizing twenty-two-gauge four-conductor wire within a three-quarter-inch conduit. All low-voltage lines route to a six-by-six-by-three-inch junction box located on the secure side above an accessible ceiling, transitioning to a one-inch electrical metallic tubing conduit that runs to the cable tray or nearest security panel.

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