Homebrewed Electricity > Controls

HELP with 220v step up transformer wiring

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Kevinkay:

I am away from home but will provide more photos when I return, BUT the 3 wires coming off the center transformer are the same - green with a sleeve with red stripe, partly over them.  They come off the transformer at the same point of the circumference, but possible at different heights but hard to tell.
I should measure OHMS between the wires off the transformer to ground and find continuity?

THANKS!

joestue:
Sounds like an auto transformer.

Connect the wire and see if it blows the fuse, produces 60 volts, or nothing happens and report back which one.

Kevinkay:
connect the loose wire to WHERE?

tried connecting it to the 220v "N" terminal along with another transformer wire already attached there.  It did not blow the fuse but it also did not change the output between terminals, stayed at 120v.

mab:
 Based on your diagram, i would try connecting the 'green' on your diagram to '220v L'

If that works i would then consuder reversing the input connection to put the breaker in the live side.

MagnetJuice:
It is kind of difficult to trace the wire in the drawing.

Maybe this will help.



Ed

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