Table 310.15(B)(3)(a) — CCC Count Adjustment Factors

Adjustment Factors for More Than Three Current-Carrying Conductors in a Raceway or Cable

Number of Conductors Percent of Conductor Ampacity
41 and above35

Number of conductors is the total number of conductors in the raceway or cable adjusted in accordance with 310.15(B)(5) and (6).

"Conductor Ampacity" is from Table 310.15(B)(16) through Table 310.15(B)(19), as adjusted for ambient temperature if necessary.

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