Quote:
Originally Posted by jimbo493
What gauge wire do you have on the 40A breakers, it looks suspiciously like 14 AWG, and the rules state that it must be a minimum of 12 on the 40A rail
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It helps to remember that due to insulation thickness not being standard, two different 12 AWG wires can be vastly different sizes. This has tripped me up in the past as well.