NEC 2026 Compatible

When both temperature correction and conduit fill derating factors apply, which factor should be applied first?

Apprentice Level📋 NEC 310.15(B)(2)(a) and 310.15(B)(1)Combined Derating
A

Temperature correction factor

B

Conduit fill derating factor

C

It does not matter which is applied first

D

The smaller of the two factors

Explanation & Direct Citation

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    Combined Derating Practice Question: NEC 310.15(B)(2)(a) and 310.15(B)(1) | SparkShift | SparkShift