On fixed stage equipment, portable strip lights and connector strips shall be wired with conductors having insulation rated suitable for the temperature but not less than _____.
See answer and applicable Code reference
The correct answer is: c) 125°C
Article 520 covers all buildings or structures that used for presentation, dramatic, musical, motion picture projection or similar purposes along with the seating areas in motion picture or television studios. Part III of this Article covers the fixed stage equipment other than switchboards. As per the first sentence of Sec. 520.42, "Foot, border, proscenium, or portable strip lights and connector strips shall be wired with conductors that have insulation suitable for the temperature at which the conductors are operated, but not less than 125°C."