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#1
07-26-2010, 06:32 PM
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The "poor man's" isolation transformer can be made by stacking two high-current transformers back-to back. Years ago, I made one with two 50V transformers I got from old 48V telephone system supplies. I just wired the secondaries together, and used the primaries as in and out. Mine was probably good for only a few hundred VA.
Here's a cool youtube video describing the same: http://www.youtube.com/watch?v=QDSmv9E5VgQ Cheers,
__________________
Brian USN RET 22YRS (Avionics/Cal) CET-Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! 
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