[Roger Jones]

On Wednesday, 26 September 2012 22:34:04 UTC-4, Phil Allison wrote:
"Charles"

"Paul D. Spiegel"

For my next project I have acquired a transformer with two identical 450v

secondary windings.

(snip)

** Be far easier to do the test I suggested - OR, with your test, use a

simple current meter in the primary - OR just wait and see if the tranny

warms any more than usual.

... Phil

Do it the way Phil says... voltage or current measurement, voltage is a bit easier. The warming-up test is less precise, hard to remember how warm was warm!
Cheers,
Roger