Table 310.15(B)(2)(a) Adjustment Factors for More Than Three Current-Carrying Conductors in a Raceway or Cable
| Number of Current-Carrying Conductors | Percent of Values in Tables 310.16 through 310.19 as Adjusted for Ambient Temperature if Necessary |
|---|---|
| 4-6 | 80 |
| 7-9 | 70 |
| 10-20 | 50 |
| 21-30 | 45 |
| 31-40 | 40 |
| 40 and above | 35 |