A number 4/0 copper ground wire connects to equipment or a fence using an exothermic weld type 'TA' or equal. This T-connection splices the branch ground wire into the number 4/0 copper main ground wire running continuously through the system.
CADWELD TO EQUIPMENT OR FENCE #4/0 CU GROUND WIRE TYPE 'TA' OR EQUAL #4/0 CU MAIN GROUND WIRE
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