EGC Requirements at Carnivals, Circuses and Fairs

Equipment grounding conductors of all the sources of supply that serve portable structures at carnivals, circuses and fairs, separated by less than 12 ft, shall be bonded together at the portable structures.

March 11, 2014

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 conductors of all the sources of supply that serve such structures separated by less than 3.7 m (12 ft) shall be bonded together at the portable structures."