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Why would two adjacent circuit breakers in a panel trip for no apparent reason? We reset them and everything seems normal.

They are both 15 amps and relate to the same bedroom, one for the wall outlets and the other for a dedicated dulpex outlet feeding the entertainment system (TV, Blu-Ray and DVD players).

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My first thought is that even though it's only feeding that single outlet in the room; many times the neutral wires are made together in a panel (neutral/ground bar),which tries to carry the load of the initial tripped gfci. and tripping itself. Was there a decent amount of power plugged in to either the 'dedicated' outlet or the series of outlets that go to the 2nd breaker?

Posted on Jan 25, 2013

  • Josh
    Josh Jan 25, 2013

    If the initial trip was not surprising, I wouldn't get really worried, but if you wanted to avoid the overload issue, remember even though there may be several outlets on 1 breaker they can only carry as much of a load combined as the one isolated outlet.

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Posted on Jan 02, 2017

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SOURCE: two 15 amp arc fault breakers installed on two

It's possible that the first breaker that you said does not trip - it could be that breaker is failing to trip on a bad circuit. That is, it could be you have a bad circuit but that first breaker is not detecting it and pretends everything is OK. If your new breaker trips on the first breaker's circuit, the curcuit it probably bad and the breaker in not working properly. The most common problem for failed circuits is a stray ground wire in a box somewhere in the curcuit resting against a hot or neutral wire. You'll have to take apart every connection on that curcuit to find it. Not fun.

Posted on Jun 27, 2009

protek480
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SOURCE: 15 AMP versus 20 AMP outlet plug

The circuit is protected by the 15 amp breaker. That's what matters, the wire size and the breaker feeding it. It's OK to have a 20 amp recepticle fed by a 15 amp breaker.

Posted on Sep 11, 2009

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SOURCE: The breaker itself does not seem to trip

It is a clear case of metal contacts getting heated/melted/burn out due to overload/short-circuit inside. Please get the circuit breakers replaced with a new one to avoid fire hazard.

Posted on Jul 31, 2010

  • 15 Answers

SOURCE: I have a circuit breaker

After turning off breaker,pull all your plugs and light switches along with the lights, one at a time, looking for loose or broken wires, bad switches or plugs. Not that it could be causing your problem but you may have one or more GFI units in the loop that should be looked at. Most modern wiring layouts have GFI and often use separate circuits and breakers some times different wire sizes for lights and plugs. 15 amp for lights and sometimes 20 amp for plugs depending on usage.. May be wise to have a licensed electrician look at the problem if you exhaust the listed possibilities or do not feel comfortable with any of the procedures. Above all make sure the power is off by testing the wires at each position you are working at. Take care and good luck!

Posted on Mar 05, 2011

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SOURCE: I have three upstairs bedrooms

I know this may have already been checked, but make sure that any gfci may have not tripped, and also, reset all the breakers if the gfci thing doesn't work... Trust me i know it is annoying but resetting all of the breakers almost always fixes the problem.

Posted on Aug 12, 2011

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No, i have a 50 amp GFCI in my main panel and i am trying to feed a sub panel in my garage. i have power to everything until i plug anything in or turn on the lights.


GFCI's are really temperamental. They are this way for a reason. It seems like you have something that is tripping this. I would try using a regular 50 amp breaker, and then see what happens. You can also try process of elimination. Shut everything down, then bring power up - one item/circuit, appliance, etc. at a time. This will narrow down your problem. Also, if you have a refrig/freezer on this GFCI, this could be tripping it too. Any appliance, etc. that has a motor - usually leaks to ground just enough for the GFCI breaker to sense, and trip it. I hope some of these solution's will help you...Good Luck!

Sep 01, 2011 | Cutler Hammer 1 Pole 15 Amp Ground Fault

1 Answer

I had a breaker WLL3F340 (4000 AMPS ) and i need to reset ( back on) please i need you help , thanks.


A 4,000 amp breaker that has tripped indicates a a load greater than 3200 amps has been connected continuously for an extended period of time. A 4,000 amp circuit breaker is rated to carry 80% of the load - or 3200 amps continuously. Up to 4000 amps may be carried for a short period of time. A 4,000 amp breaker that has tripped can be a warning sign of a major problem.

First, 4,000 amps is a substantial amount of current. The reason for the breaker tripping should be determined and cleared by qualified persons before attempting to reset. Many circuit breakers this size have internal motors to charge a spring mechanism to close the breaker. Unlike the much smaller 15 to 50 amp breakers in your electrical panel in your home, these circuit breakers are also not designed for repeated tripping and resetting.

Second, no one is going to tell you how to do this either on the web or even over the phone. It is simply too dangerous to simply go for a reset without checking and clearing the cause of the fault.

Third, you should contact an electrician that has experience with large, commercial or industrial electrical service equipment. Not every electrician knows how or has worked with equipment this large, so be sure to ask first.

I hope this helps & good luck to you.

Jul 08, 2011 | Siemens Hammering

1 Answer

LAst night we lost two rooms completely light and outlets. we try the reset the breaker nothing would come on. This morning we unplug everything turned on the breaker, and plug everything back in...


1) A circuit breaker will not reset if breaker is hot, or if there is a short to ground.

2) Hot breaker: If circuit is pulling more amps than the breaker rating, or if breaker is loose on the busbar, then breaker gets hot, and trips.
3) Volts x amps = watts. Add up wattage of everything on breaker and divide by 120Volts and that gives you amps.
If your breaker is 15 amps, the SAFE maximum is 80% or 12 amps.

4) If breaker is loose, you can smell burning and hear crackling sound. Jiggle the breaker around and listen for crackling.
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

5) If there was a short somewhere on the breaker circuit, the breaker will trip.
When you unpluged each device and then the breaker was reset, then that says problem is probably NOT the wiring or breaker.
The problem was probably inside one of the devices that was plugged in.

6) If breaker trips again, unplug each device one at a time, and then try to reset breaker after each unplug to see if you can isolate suspected device.

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Dec 29, 2010 | General Electric 20 Amp, 1 Pole Thick Type...

1 Answer

How to reset Cutler Hammer 1 pole 15 Amp


Turn handle to off position and then back on. Same as any other breaker. The red test button can be pressed which will trip breaker. If it trips immediately,unplug all devices on circuit and try to reset. Reconnect each device and see which trips breaker. If this goes to outdoor receptacle, check behind cover for moisture.

May 25, 2010 | Cutler Hammer 1 Pole 15 Amp Ground Fault

2 Answers

I have a 15 amp single pole circuit breaker that


It could be either or at this point. First thing to do, is unplug all electric devices from the plugs on that circuit, and then attempt to reset the breaker. If it does not trip, one of the devices plugged into a receptacle on that circuit could have a short. If it doesn't trip, plug each device in one at a time to see it it trips the breaker to pin point what is causing the short. If the above has no effect, I recommend replacing the breaker. It is easy and inexpensive to do. Just make sure you main is shut off before doing any work on the panel. I hope this helps and good luck!
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Nov 06, 2009 | Connecticut Electric & SWITCH UBIP130...

1 Answer

Two 15 amp arc fault breakers installed on two adjacent circuits. One works fine - does not trip. The afi breaker beside it trips as soon as it is flipped on. We tried switching circuits, but both circuits...


It's possible that the first breaker that you said does not trip - it could be that breaker is failing to trip on a bad circuit. That is, it could be you have a bad circuit but that first breaker is not detecting it and pretends everything is OK. If your new breaker trips on the first breaker's circuit, the curcuit it probably bad and the breaker in not working properly. The most common problem for failed circuits is a stray ground wire in a box somewhere in the curcuit resting against a hot or neutral wire. You'll have to take apart every connection on that curcuit to find it. Not fun.

Jun 14, 2009 | Siemens 20Amp 1-pole arc-fault circuit...

1 Answer

Refrigerator cools as normal. Trips 15 AMP circuit breaker.


a full size refrige has to be on a 20 amp circuit, a 15 amp is just not big enough.. you should also know that this circuit has to be on a 12-2 gauge wire.. I also highly recommend installing a 20 amp HD receptacle

Mar 19, 2009 | Refrigerators

1 Answer

15 amp Gould breaker trips every 24 to 48 hours


As seemingly with everything else, these devices were once very reliable but now fail early in life.
Assuming that this is no GFI (Ground Fault Interrupter) equipped breaker, you must  have a bad one. If it is, you may have some stray currents tripping the breaker.
While finishing up on our new home and putting breakers in the main box for the first time, one brand new breaker refused to stay set even though the circuit was OK and no loads on that branch connected at all. In the two years we have been here, we had to replace a second one acting just as you describe.

Dec 15, 2008 | Ace Hardware Hi-Tech Circuit Detective...

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