NM Residential Electrical Inspector Practice Questions - New Mexico CID Residential Electrical Inspector Examination Exam

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Per NMAC 14.10.4.12 amending NEC 250.66(B), the grounding electrode conductor connected to a concrete-encased electrode shall not be smaller than which size?

8 AWG copper 6 AWG copper 4 AWG copper 2 AWG copper

Correct Answer:

4 AWG copper

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