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Old January 13th 21, 05:05 AM posted to uk.d-i-y
Fredxx[_4_] Fredxx[_4_] is offline
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Default So that is what electricians did in the 1963 big freeze

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