Locations Where NM Cable is Not Allowed

Type NM cable shall not be used _____.

a) in other than dwelling units
b) in the void of masonry block not subject to excessive moisture
c) for exposed work
d) embedded in poured cement, concrete, or aggregate

See answer and applicable Code reference

The correct answer is: d) embedded in poured cement, concrete or aggregate

Article 334 covers the use, installation, and construction specifications of nonmetallic-sheathed cable. Installation rules are outlined in Part II of this Article. More specifically, as noted in Sec. 334.12(A)(9), "Types NM, NMC, and NMS cables shall not be embedded in poured cement, concrete, or aggregate."

 

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