Approved Cable Types for Temporary Installations

Type NM cables can be used for branch-circuit temporary installations without height limitation and without concealment.

a) True
b) False

See answer and applicable Code reference

The correct answer is: a) True

The provisions of Art. 590 apply to temporary electric power and lighting installations. As noted in the last sentence of the main paragraph in Sec. 590.4(C), "For the purposes of this section, Type NM and Type NMC cables shall be permitted to be used in any dwelling, building, or structure without any height limitation or limitation by building construction type and without concealment within walls, floors, or ceilings."

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