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

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A 480Y/277 V switchboard has exposed live parts on one side of the working space and a grounded metal wall on the other (Condition 2). What is the minimum depth of working space required by NEC 2020 Table 110.26(A)(1)?

3 feet 3 feet 6 inches 4 feet 5 feet

Correct Answer:

3 feet 6 inches

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