Minimum Conductor Size for Motion Picture Equipment

Conductors supplying outlets for arc and xenon projectors of the professional type shall not be smaller than _____ and shall have an ampacity not less than the projector rating.

a) 12 AWG
b) 10 AWG
c) 8 AWG
d) 6 AWG

See answer and applicable Code reference

The correct answer is: c) 8 AWG

The provisions of Article 540 apply to motion picture projection rooms, motion picture projectors, and associated equipment. As noted in Sec. 540.13, "Conductors supplying outlets for arc and xenon projectors of the professional type shall not be smaller than 8 AWG and shall have an ampacity not less than the projector current rating. Conductors for incandescent-type projectors shall conform to normal wiring standards as provided in 210.24."

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