The ambient air temperature considered in relation to a conductor ampacity is the temperature of the _____.
A) conductor
B) insulation
C) raceway
D) surrounding air

Question

Quizplus · Accepted Answer

The ambient air temperature considered in relation to a conductor ampacity is the temperature of the surrounding air. This is because the ability of a conductor to dissipate heat is affected by the temperature of the air around it, not the temperature of the conductor, insulation, or raceway itself.

The Ambient Air Temperature Considered in Relation to a Conductor