1. What size rigid metal conduit (RMC) is required to enclose 18 No. 10 THWN copper conductors? (a) 3/4 in. (b) 1 in. (c) 1 1/4 in. (d) 1½ in. 2. What size electrical metallic tubing (EMT) is required ...
All questions and answers are based on the 2014 NEC. Q. What are the NEC requirements for sizing boxes for conductor fill? A. Boxes containing 6 AWG and smaller conductors must be sized in an approved ...
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