The ampacity WILL be different for NM.
Correct. I think that the sentence at the bottom takes care of that.
It said MAY be different. It IS different.
They said may because for #14, #12 and #10 the ampacities listed are the same for NM cable.
Fair enough, i saw the 50 amps for 8 and 65 for 6 etc which could lead to undersized wires if NM.
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