Portable carnival or circus structures shall be maintained not less than _____ in any direction from overhead conductors operating at 600V or less.
a) 7.5 ft
b) 10 ft
c) 12.5 ft
d) 15 ft
See answer and applicable Code reference
The correct answer is: d) 15 ft
Article 525 covers the installation of portable wiring and equipment for carnivals, circuses, fairs and similar functions. As noted in Sec. 525(B)(1), "Portable structures shall be maintained not less than 15 ft in any direction from overhead conductors operating at 600V or less, except for the conductors supplying the portable structure.