ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

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Per NEC 250.64(A), what material must the grounding electrode conductor be made of when it is exposed to physical damage?

It must be in rigid metal conduit It must be protected by being enclosed in a raceway or armor It must be copper only It must be at least 6 AWG

Correct Answer:

It must be protected by being enclosed in a raceway or armor

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