Exposed Open Wiring on Insulator Systems

Open wiring on insulators within _____ ft from the floor shall be considered exposed to physical damage.

a) 2
b) 4
c) 7
d) 8

See answer and applicable Code reference

The correct answer is: c) 7

Article 398 covers the use, installation, and construction specifications of open wiring on insulators. Where this type of wiring is exposed to physical damage, Sec. 398.15(C) notes: "Conductors within 7 ft from the floor shall be considered exposed to physical damage."

 

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