This electrical riser diagram details the telephone terminal board and its connections to the exterior telephone pedestal and fire alarm control panel. A fourplex receptacle is mounted forty-eight inches above the floor adjacent to a four-foot by eight-foot by three-quarter-inch plywood backboard, which is painted with a fire-resistive coating. A number six green grounding conductor connects the plywood backboard to the building grounding system. Two three-inch PVC conduits with footage tape run from the new telephone pedestal to the telephone terminal board, and two dedicated CAT6 cables run from the terminal board to the fire alarm control panel digital dialer.
NOTES: 1. STUB 2" PVC CONDUIT ABOVE CEILING FROM THE TELEPHONE TERMINAL BOARD OUT INTO EACH TENANT SPACE. FUTURE TENANTS SHALL BE RESPONSIBLE FOR EXTENDING FROM THIS LOCATION TO THEIR RESPECTIVE SPACES. 2. PROVIDE (2) 3" PVC-FOOTAGE TAPE FROM THE NEW TELEPHONE PEDESTAL LOCATION TO THE TELEPHONE TERMINAL BOARD FOR TELEPHONE SERVICE. STUB CONDUIT UP UNDERNEATH THE TERMINAL BOARD. 3. WHERE ELBOW AND/OR SWEEPS PENETRATE FOUNDATION OR FLOOR SLABS THE CONDUIT SHALL BE GALVANIZED RIGID CONDUIT (GRC) WRAPPED WITH CORROSION RESISTANCE TAP. 4. CONDUITS SHALL BE STUBBED UP THROUGH THE FLOOR TO A HEIGHT OF 6" ABOVE FLOOR LEVEL AND CAPPED WITH PLASTIC BUSHINGS. 5. PROVIDE A 4'x8'x3/4" PLYWOOD BACKBOARD PAINTED WITH FIRE RESISTIVE COATING FOR THE TELEPHONE TERMINAL BOARD (TTB) IN THE BUILDING. 6. PROVIDE A #6 GREEN GROUNDING CONDUCTOR FROM THE TTB PLYWOOD BACKBOARD TO THE BUILDING GROUNDING SYSTEM. 7. PROVIDE TYPE 66 PUNCHDOWN BLOCKS FOR LANDING ALL INTERIOR BUILDING TELEPHONE CABLING. CONNECTIONS TO THE TELEPHONE SERVICE DEMARC SHALL BE BY TELECOM COMPANY. 8. INSTALL TWO DEDICATED TELEPHONE LINE (CAT6) CABLES FROM THE TELEPHONE TERMINAL BOARD TO THE FIRE ALARM DIALER. TTB NEW TELEPHONE PEDESTAL SEE NOTE 1 SEE NOTE 2 FACP (2)CAT6 CABLES FOR COMMUNICATIONS TO FACP DIGITAL DIALER SEE NOTE 5 FOURPLEX RECEPTACLE SEE NOTE 6 48"
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