NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

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NESC 2007 Table 352-1 lists what burial depth as adequate for supply cable rated 50,001 V and above, unless a listed exception applies?

18 inches 24 inches 30 inches 42 inches

Correct Answer:

42 inches

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