A one-quarter-inch by two-inch by twelve-inch copper ground bus is supported on typical stand-offs secured by two-thousand-seven-hundred-volt insulators. A number three-slash-zero American Wire Gauge bare copper grounding conductor connects to the bus via typical exothermically welded connections. A bond riser connects the bus assembly to the building steel.
TYPICAL STAND-OFF TYPICAL 2700 VOLT INSULATOR TYPICAL EXOTHERMICALLY WELDED CONNECTION TYPICAL #3/0 AWG BARE COPPER GROUNDING CONDUCTOR TO GROUND 1/4" x 2" x 12" COPPER GROUND BUS BOND RISER TO BUILDING STEEL, TYP
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