Uhm... maybe from resistance at the connection?

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"Solar Flare" wrote in message
.. .
Voltage, current doesn't count then. I wonder how DC can heat up a
connection then.


"Windsun" wrote in message
...
Being coiled has nothing at all to do with getting hot, it is merely that
more heat is concentrated in that area. Heat comes from resistance, and
at 60 Hz that is the ONLY factor.

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"Edwin Pawlowski" wrote in message
t...

Was the cord coiled up making an electro magnetic heater?

I'd be suspect of the cord setup as then can generate a lot of heat.
Years ago at work had one start to smoke plugged to a truck block
heater. Where the cord was coiled, it go damned hot and that heat
translates to energy use.