On 10/22/2010 7:49 PM, Jim Miller wrote:
> What is there about a transformer that causes so much grief? Curious...
If you mean the doorbell transformer, the insulation dries out
and turns start shorting, leading to excessive heating and
internal arcing. They usually have an internal thermostat to
cut it off when hot, and after it cools down it starts all
over again.
If you mean the big black can on the pole, it's rarely the
transformer's problem, usually it's loose hardware or arcing
over the insulators.
-- 73 de K2ASP - Phil Kane
Elecraft K2/100 s/n 5402
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