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 232-1 requires what minimum vertical clearance above a road, street, or alley subject to truck traffic for open supply conductors over 750 V to 22 kV (phase to ground)?
Correct Answer:
18.5 feet

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