NM CID ER-1 Practice Questions - New Mexico CID ER-1 Residential Electrical Wiring Examination Exam

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For dwelling-unit panelboards operating at 150 volts to ground or less, NEC 110.26(A) generally requires a working space of not less than:

2 feet deep, 24 inches wide, and 6 feet high 3 feet deep, 30 inches wide, and 6½ feet high 4 feet deep, 36 inches wide, and 7 feet high 3 feet deep, 36 inches wide, and 8 feet high

Correct Answer:

3 feet deep, 30 inches wide, and 6½ feet high

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