Even though the NEC permits Type NM cable to be used in one- and two-family homes, it may not be approved for use in your area by the AHJ.

Question

Quizplus · Accepted Answer

The NEC sets minimum standards for electrical installations, but local Authorities Having Jurisdiction (AHJs) may have additional requirements or restrictions. Therefore, even though Type NM cable is permitted by the NEC, it may not be approved for use in a particular area by the AHJ.

Even Though the NEC Permits Type NM Cable to Be