Electrical wiring routes through a wall assembly using either a three-quarter-inch electrical metallic tubing conduit for wall phones or a one-inch conduit for data and facility management system outlets. The conduit connects to a four-inch square outlet box fitted with a single-gang plaster ring via an electrical metallic tubing compression fitting. Bends in the conduit maintain the minimum bend radius required by Electronic Industries Alliance and Telecommunications Industry Association standard 569A. Firestopping is applied around the conduit strictly for fire-rated walls in accordance with specification section 07840.
MAINTAIN EIA / TIA 569A MINIMUM BEND RADIUS FIRE STOP ARE AROUND CONDUIT PER SPECIFICATION 07840 FOR FIRE WALLS ONLY EMT COMPRESSION FITTING 4" SQUARE OUTLET BOX WITH SINGLE GANG PLASTER RING 3/4" CONDUIT FOR WALL PHONES, 1" CONDUIT FOR DATA AND FMS OUTLETS
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