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Re: Cobalt rewire 240 V to 120 V

Posted by beermanpete@socal.rr.com (A) on March 15, 2007 at 22:42:42

In Reply to: Cobalt rewire 240 V to 120 V posted by valvesonly on March 14, 2007 at 22:09:28:

Typically transformers with 120/240 taps have two 120 volt primary windings. When used with 120 volt power the two windings are connected in parallel. When used with 240 volt power the two windings are connected in series.

Typical connection might look like this:

L1_______________1_ ||
| )||
| )||
| ______2_)||
120V | | ||
|_|______3_ ||
| )||
| )||
L2________|______4_)||
||

L1_______________1_ ||
)||
)||
______2_)||
240V | ||
|______3_ ||
)||
)||
L2_______________4_)||
||

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