Quote:
Originally Posted by RoboChair
If you have a 10A breaker, there are no problems on the part of the 14g wire upgrading it to a 15A breaker. A 2 HP Bridgeport at peak amperage being run via a VFD is 12.5A @120V even with efficiency losses you would have to be pushing that mill very hard to hit 15A.
12g can be bumped to 20A
10g can be bumped to 30A
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I thought you were saying to change a 15A breaker to 20A. That would be a terrible idea. I have seen it done before and had conduit that was hot to the touch. Sorry for the confusion on my part.