AHJs usually base their approval of electrical equipment on whether it is listed and labeled by a nationally recognized testing laboratory (NRTL).

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AHJs (Authority Having Jurisdiction) typically rely on equipment that is listed and labeled by a nationally recognized testing laboratory (NRTL), such as UL, CSA, or ETL. This ensures that the equipment has gone through rigorous testing and meets safety standards.

AHJs Usually Base Their Approval of Electrical Equipment on Whether