NEC: Feeder Conductors, Part 2

NEC: Feeder Conductors, Part 2

At first glance, it seems (A) and (B) don’t correspond with each other. But look closer, and you’ll see some harmonization.

The NEC has two sets of rules for the minimum size of feeder conductors. There’s one set for feeders not over 600V [215.2(A)] and another for those over 600V [215.2(B)]. Each subsection is broken into three sub subsections.

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