A telecommunication ground bar assembly is supported from a wall twelve inches above the finished grade. The copper ground bar features multiple hole patterns including fourteen 0.437-inch holes and twenty-four 0.312-inch holes, stamped with designation TGBXX. It mounts using WBKT1ASM mounting brackets and R4150A4 two-thousand-volt rated insulators. Connections to the bar utilize two-hole compression lugs with listed connections and exothermic CAD-weld connections. An antioxidant joint compound is applied to connections, and a UL ground bar label is provided on the assembly.
NOTES: 1. SUPPORT FROM WALL 12 INCHES ABOVE FINISHED GRADE, UNLESS NOTED OTHERWISE. 2. PROVIDE IN MAIN TELECOMMUNICATION ROOM. 3. EXTEND BONDING CONDUCTOR BACK TO MAIN ELECTRICAL SERVICE SERVICE BONDING BAR. 4. SEE SPECIFICATION SECTION 260452 FOR DETAILS. PROVIDE MANUFACTURER AND PART NUMBER INDICATED OR APPROVED EQUIVALENT. 0.000 0.000 4.000 0.625 1.125 TYP STAMPED NAME TGBXX 0.625 CAD-WELD CONNECTION (TYP.) 12.000 "UL" GROUND BAR LABEL 2-HOLE COMPRESSION LUG LISTED CONNECTION Ø 0.437 (14) Ø 0.312 (24) 1.000 9.000 1.00 6.63 5.57 1.88 0.250 BH65SP R4150A4 2000 V RATING WBKT1ASM ANTIOXIDANT JOINT COMPOUND HARGER 301 ZIEGLER DRIVE GRAYSLAKE, IL 60030
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