All questions and answers are based on the 2008 NEC. Q. We have a 400A, 3-phase feeder that we want to wire with two parallel sets of 3/0 AWG conductors in the same raceway. Is this acceptable? A. As ...
This installation violates Section 300-20(a). Where conductors carrying alternating current are grouped together and installed in metal enclosures or metal raceways, they are required to be arranged ...
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