Where Type NM cable is run at angles with joists in unfinished basements and crawl spaces, it is permissible to secure cables not smaller than _____ conductors directly to the lower edges of the joist. a) two 6 AWG b) three 8 AWG c) three 10 AWG d) a or b See answer and applicable Code reference The correct answer is: d) a or b The installation requirements for nonmetallic-sheathed cable (Types NM, NMC and NMS) can be found in Article 334 of the 2011 NEC. As outlined in a portion of ...

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