Horizontal runs of RMC supported by openings through _____ at intervals not exceeding 10 ft and securely fastened within 3 ft of termination points shall be permitted. a) walls b) trusses c) rafters d) framing members See answer and applicable Code reference The correct answer is: d) framing members Securing and supporting requirements for RMC are outlined in Sec. 344.30 of the 2011 NEC. The rule states, "RMC shall be installed as a complete system in accordance with 300.18 ...
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