Where multiple services or separately derived systems supply portable structures of carnivals, circuses, or fairs, all structures separated by less than _____ shall be bonded together at the portable structures. a) 8 ft b) 10 ft c) 12 ft d) 14 ft See answer and applicable Code reference The correct answer is: c) 12 ft According to Section 525.11 of the 2011 NEC, "where multiple services or separately derived systems, or both, supply portable structures, the equipment grounding ...

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