The current-carrying conductors in cablebus shall be sized in accordance with the design of the cablebus, and in no case smaller than _____ AWG.
a) 1/0
b) 2/0
c) 3/0
d) 4/0
See answer and applicable Code reference
The correct answer is: a) 1/0
Article 370 covers the use and installation requirements of cablebus and associated fittings. As noted in Sec. 370.20(A)(2), the current-carrying conductors in cablebus shall "be sized in accordance with the design of the cablebus but in no case be smaller than 1/0."