"It can be, and normally the heat dissipates, but not when it curled tightly. So we get small scale heat soak if its coiled up tightly."
Yes I get that bit
"When you have the cable coiled up, you generate an EMF, the EMF screws with the resistance/inductance of the cable (more so with impure copper cables) increasing the heat generated"
So you are saying that when you pass a current through a coiled up 10 metre cable say it will actually generate more heat than if the same cable were to be laid out straight? In effect the resistance of the cable is increased by it being coiled up?
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