Question about System Power Supplies
GFI outlet main fuse trips even if nothing is plugged in and it will not reset. I can't use any of my GFI's....help
Switching power supplies are known to cause such "false" tripping in some cases. These power supplies often employ RF filtering using capacitors from line to ground, resulting in current leakage that when large enough can trip a GFCI. See item 6 at the following URL:
Posted on Apr 20, 2010
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