A three-quarter-inch by ten-foot-long copper-clad ground rod is driven into the earth with a minimum three-foot burial depth below finish grade. The main ground loop conductor connects directly to the top of the ground rod using a Cadweld connection type GT exothermic weld.
MAIN GROUND LOOP CADWELL CONNECTION TYPE "GT" COPPER CLAD GROUND ROD 3/4" x 10' - 0" IN LENGTH 3'-0" MIN.
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