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RE: Update on my ground loop

Posted by lrcordell on June 26, 2007 at 19:39:18:
Steve,
Glad to hear (pun intended) the ground loop is gone. If I understood the discussion correctly, switching the legs on the breaker for the third circuit is not likely to cure a ground loop--it is for other (EMF, RFI?)noise isolation.

It doesn't sound like you need to check polarity, given that things are fine. But, you may want to purchase a polarity tester from Home Depot or a hardware store the next time you're in one. They are cheap, easy to use (you just plug them in like any other plug), and good to have around. They can also tell you if you have an open ground, for example. Get the kind with the GFCI tester, so that you can test your GFCI circuits.

Louis