A telecommunications ground bar assembly is supported from the wall twelve inches above the finished grade. The mounting setup utilizes a WBKT1ASM bracket secured with an R4150A4 two-thousand-volt-rated insulator and BH65SP fasteners. The copper ground bar features pre-drilled bolt circles including twelve 0.312-inch diameter holes and eight 0.437-inch diameter holes, along with a stamped identification name referring to the riser. Conductors connect via two-hole compression lugs and cad-weld connections, finished with antioxidant joint compound and a UL ground bar label.
NOTES: 1. SUPPORT FROM WALL 12 INCHES ABOVE FINISHED GRADE, UNLESS NOTED OTHERWISE. 2. PROVIDE IN EACH TELECOMMUNICATIONS ROOM. 3. EXTEND BONDING CONDUCTOR BACK TO 'TMGB' AND CONNECT TO TELECOMMUNICATIONS BONDING BACKBONE. 4. SEE SPECIFICATION SECTION 260452 FOR DETAILS. PROVIDE MANUFACTURER AND PART NUMBER INDICATED OR APPROVED EQUIVALENT. ANTIOXIDANT JOINT COMPOUND 1.00 6.63 5.75 WBKT1ASM 1.88 0.250 BH65SP R4150A4 2000 V RATING 2.000 0.000 0.000 1.125 TYP 0.625 1.000 Ø 0.312 (12) STAMPED NAME REFER TO RISER FOR NAME TGBXX CAD-WELD CONNECTION 12.000 2-HOLE COMPRESSION LUG LISTED CONNECTION Ø 0.437 (8) "UL" GROUND BAR LABEL 9.000 HARGER 301 ZIEGLER DRIVE GRAYSLAKE, IL 60030 4 5 6
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