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-   -   New GFCI Breaker trips with no load (http://www.diychatroom.com/f18/new-gfci-breaker-trips-no-load-19569/)

bmurphywa 04-06-2008 07:08 PM

New GFCI Breaker trips with no load
 
Just replaced a standard 15A breaker because three of the outlets on the circuit are in a bathrrom. The other four outlets are in an adjacent bedroom. With the old breaker (re)installed, I tested all outlets with a GRT-500 circuit tester - all show that they are correctly wired. Yet when I install the GFCI breaker, it trips instantly even with nothing plugged into any of the outlets. WHat am I missing?

Speedy Petey 04-06-2008 07:17 PM

Is this circuit part of a multi-wire branch circuit (shared neutral)?

if not

Did you connect the circuit neutral to the breaker and the tail from the breaker to the neutral bar?

bmurphywa 04-06-2008 07:22 PM

Thanks for your quick response. This circuit has its own neutral. That neutral (white wire) is attached to the GFCI breaker. The hot (black wire) is also attached to the breaker. The pigtail from the breaker is attached to the neutral strip inside the breaker panel. I think this is correct. Any thoughts? Thanks again.

Speedy Petey 04-06-2008 07:25 PM

Go to each device on the circuit and check the wiring. You may have a white touching a neutral somewhere. This will instantly trip a GFI.

bmurphywa 04-06-2008 07:32 PM

OK. Just to make sure I understand your comment. You say a white touching a neutral - maybe I'm misunderstanding - I thought white was neutral. Am I looking for a white (neutral) touching a ground (bare copper)?

Speedy Petey 04-06-2008 08:37 PM

Yes. A neutral touching ground on the load side of a GFI will trip it instantly.

bmurphywa 04-06-2008 08:48 PM

OK. I'm checking all outlets now.


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