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 p