This assembly features a five-eighths inch by eight-foot copper grounding rod driven into the earth, connected to a number six American Wire Gauge bare copper wire via a grounding rod clamp. The connection is housed within a ten-inch round valve box with a locking lid, set atop a three-inch minimum depth of three-quarter-inch washed gravel. The bare copper wire is routed through a one-inch polyvinyl chloride electrical conduit and sweep for earth ground, maintained at a twenty-four-inch minimum depth below finished grade. The rod is positioned between eight and twelve feet from the adjacent conduit entry point.
PAVEMENT. FINISHED GRADE. GROUNDING ROD CLAMP. # 6 AWG BARE COPPER WIRE. 1" PVC ELECTRICAL CONDUIT AND SWEEP FOR EARTH GROUND. 8'-0" 24" MIN WIRE DEPTH 4-8" 8'-0" TO 12'-0" 5/8 " X 8' - 0" COPPER GROUNDING ROD. 10" ROUND VALVE BOX WITH LOCKING LID. 3-INCH MINIMUM DEPTH OF 3/4-INCH WASHED GRAVEL
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