Medium voltage equipment is grounded using a perimeter arrangement of four three-quarter-inch by ten-foot ground rods connected by a number two-slash-zero bare copper conductor installed thirty inches below grade. A number two-slash-zero bare copper conductor ties the equipment grounding provisions to the ground rod network. Additional connections extend to a buried ground ring where indicated.
MV EQUIPMENT GROUND ROD 3/4" x 10' #2/0 BARE COPPER CONDUCTOR 30" BELOW GRADE #2/0 BARE COPPER CONDUCTOR TO EQUIPMENT GROUNDING PROVISIONS TO BURIED GROUND RING (WHERE INDICATED)
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