Flexible conductors used to supply portable stage equipment other than switchboards shall be _____ cords or cables.
b) extra-hard usage
c) hard usage
d) a and b
See answer and applicable Code reference
The correct answer is: d) a and b
Article 520 covers all buildings or structures used for presentation, dramatic, musical, motion picture projection or similar purposes. Part V of this Article focuses on portable stage equipment other than switchboards. As noted in Sec. 520.68(A)(1), "Flexible conductors, including cable extensions, used to supply portable stage equipment shall be listed extra-hard usage cords or cables."