Examples of Express 250 Paired Wire Sizing
35
100.05 A, which is greater than the minimum required 100 A. Thus the permitted conductor size is
3 AWG.
The permission to use the 90°C ampacity for ambient temperature comes from the general
requirement in 110.14(C); Conductors with temperature ratings higher than specified for terminations
shall be permitted to be used for ampacity adjustment, correction, or both.
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