Yes. Warm is ok, hot is not. Any cord carrying electricity can get warm due to resistance in the wire.Originally Posted by L.West
If you have a heat gun check the temperatures of the breakers in your fuse box. The ones for circuits with appliances on them that run all the time (like your refrigerator or tv) will be warmer than the ones that control an appliance, such as your dryer or stove, that isn't running at the time.
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