Question: What is the maximum size copper grounding electrode conductor required for a 6 , 0 0 0 - ampere service supplied by ten 7 5

What is the maximum size copper grounding electrode conductor required for a 6,000-ampere service supplied by ten 750-kcmil copper service conductors in parallel for each ungrounded service entrance phase conductor?
a.30 AWG copper
b.400 kcmil copper
c.500 kcmil copper
d.750 kcmil copper
What is the maximum size copper grounding

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