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Monday, August 22, 2022
Question:
Hello CQD,
It seems that for black cable exposed to direct sunlight, the sheath of the cable would be significantly hotter than the ambient temperature. How is that taken into account for ambient temperature correction factors?
A
Answer:
Hello CQD Subscriber,
Section 310.15(B)(3)(c) provides guidance on ambient temperature adjustments and ampacity correction factors for cables or raceways exposed to direct sunlight on rooftops.