Type AC cable installed in thermal insulation must have conductors rated at 90°C (194°F).

Name: Type AC cable installed in thermal insulation must have conductors rated at 90°C (194°F).
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This is because thermal insulation can cause the temperature around the cable to increase, and the conductors need to have a higher temperature rating to avoid overheating. AC cables with conductors rated at 90°C are rated for higher temperatures and are therefore safer to use in thermal insulation.

Type AC Cable Installed in Thermal Insulation Must Have Conductors