On 12/01/2021 20:21, Tim Lamb wrote:
In message , ARW
I'm too idle to watch it all.
The company I was training at as a technician apprentice had a nice line
in producing low voltage transformers used to pass a current through
buried frozen water pipes:-)
Wouldn't do much with blue poly now!
Perhaps you could use High Voltage instead. Ice is the poorer conductor
wrt water, so power would be dissipated in the ice preferentially, ideal