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Originally Posted by Tubejunke
The megohmmeter does not help as much as I thought. I have compared the readings I get against other sets with known good transformers and they are similar. I was told that I should see no more than around 10M Ohms on the 250v scale and if I saw low readings that would indicate a short.
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I not sure just how much voltage the megohm-meter is putting on the wiring. Are you sure it isn't more than the insulation can take?
If you have a short that is causing the transformer to pull enough current to cause the line cord to heat up you should be able to measure that easily with a standard ohm-meter.
This may give you and idea of what you should see on the different windings resistance wise:
http://www.radioremembered.org/xfmr.htm