Electrical metallic tubing routes from the slab above down into a typical wall-mounted telecommunications outlet box, with fire-stopping provided at all floor slab penetrations to maintain the required fire rating. Non-metallic protective bushings line the electrical metallic tubing where it passes through walls. Cables are supported within the accessible ceiling space by wire mesh basket-style cable trays and J-hooks mounted via wire or all-thread.
WALL (TYP) EMT TELECOMMUNICATIONS OUTLET BOX FLOOR ACCESSIBLE CEILING NOTES: 4 5 1. J-HOOK (WIRE OR ALL-THREAD MOUNTING). 2. PROVIDE FIRE-STOPPING AS REQUIRED TO MAINTAIN SLAB RATING. 3. EMT THROUGH WALL WITH NON-METALLIC PROTECTIVE BUSHING. 4. WIRE MESH (BASKET) STYLE CABLE TRAY (ALL-THREAD MOUNTING). 5. FIRE STOP ALL PENETRATIONS THROUGH SLAB, AS REQUIRED. 1 2 3 NONE 1 TYPICAL ROUTING FROM SLAB ABOVE TO LEVEL BELOW
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