Under NEC 90.4, if equipment or materials are not covered by the NEC, who is authorized to allow their use?

Under NEC 90.4, if equipment or materials

Multiple choice — select the best answer

AThe equipment manufacturer
BNFPA headquarters
CThe installing electrician
DThe Authority Having Jurisdiction

✓ Correct answer: D. The Authority Having Jurisdiction NEC 90.4 gives the AHJ authority to approve equipment or installations not specifically addressed by the Code, provided the installation is judged to be safe.

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Topic: Code Administration & Safety

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Under NEC 90.4, if equipment or materials are not covered by the NEC, who is authorized to allow their use?

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