Code Q&A: NM Cable Rules

Your most pressing National Electrical Code (NEC) questions answered

Q. Can I pull Type NM cable in a PVC sleeve located in a ground floor slab for the kitchen counter island?

A.  No. Type NM cable must not be used in wet or damp locations [334.12(B)(4)].

The interior of enclosures or raceways installed in an underground installation are considered to be a wet location [300.5(B)]. Cables and insulated conductors installed in underground enclosures or raceways must be listed for u

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