Re: Ground fault





trickyrick wrote:

There are no junctions between the breaker and the pump. This is a
new pump only 3 weeks old (1 hp). The one from last year sized up
(bearings got wet) I could not get it going this season and even the
old pump did it last year about half way through the season.

Well...... if the bearing getting wet caused the bearing to seize, it's
reasonable to assume that before they seized they became 'tight'.

If they did that, the motor would have to work harder (drawing more current) and
that could cause an overcurrent trip of the breaker, i.e. nothing to do with a
ground fault at all. I see that 1 hp pumps can draw ~ 11A so a modest 'overload'
could indeed do it.

Graham

.



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