Double Checking a Power Transformer

[dieseljeep]

Originally Posted by Dubis7

OK. Then I can definitely trace which leads go where. My 20 ohm should be primary, 90 ohm B+, and .3 ohm heater.

I make a temporary connection to the primary of the transformer and power with the Variac, at a lower voltage to do an initial check of the output voltages. That way, you don't have to worry about damaging the new transformer.