NM Electrical Inspector (General) Practice Questions - New Mexico CID Electrical Inspector (General) Examination Exam

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On new construction in New Mexico, NMAC 14.10.4.12 amends NEC 250.50 to require which grounding electrode to be considered available and installed?

A metal underground water pipe only A concrete-encased electrode complying with NEC 250.52(A)(3) A ground ring encircling every building A plate electrode under the service equipment

Correct Answer:

A concrete-encased electrode complying with NEC 250.52(A)(3)

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