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

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Per NEC 2020 250.24(A)(5) and 250.142, a grounded conductor shall not be used for grounding non-current-carrying metal parts on the load side of the service disconnect except as specifically permitted. In a dwelling subpanel, that means which of the following?

A second grounding electrode at the subpanel is prohibited The feeder does not need an equipment grounding conductor The neutral bar and equipment grounding bar shall be bonded together The grounded conductor and equipment grounding conductors shall be isolated, with the bonding jumper removed

Correct Answer:

The grounded conductor and equipment grounding conductors shall be isolated, with the bonding jumper removed

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