Question: Where the voltage between ungrounded conductors does not exceed 300V, and the roof has slope of 3 in. to 12 in. a clearance between conductors

Where the voltage between ungrounded conductors does not exceed 300V, and the roof has slope of 3 in. to 12 in. a clearance between conductors and roof ____ft shall be permitted? A. 3 B. 4 C. 8 D. 2

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