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07-07-2022, 09:25 AM
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#1
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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Montana 3761fl
2021 Montana tripping the first circuit breaker under GENERAL, replaced ciricut breaker, New breaker and plug at the post. Hooked up to 50 amp it trips the breaker, when hooked up to my generator at 30 amp it doesn't trip the breaker. Looked for a 2nd gfi circuit breaker and couldn't find one other than the one in the small bathroom. Any ideas? Nothing is plugged into the outlets of the tripped breaker?
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07-07-2022, 09:56 AM
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#2
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Since it’s not tripping when hooked up to 30 Amp, I’d say it probably on the B side of the power. There aren’t that many things that run off the general breakers. Normally it’s mainly outlets. Have you been able to determine things that aren’t not operational? Could be outlets on the outside or in the pass through. I’d check all of that and narrow it down some. That will make troubleshooting much easier.
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Brent
2013 Alpine 3500RE
2019 Silverado 2500HD Duramax
U.S. Air Force Retired (25 yrs)
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07-07-2022, 10:02 AM
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#3
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,395
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If you had a bona fide electrical management system plugged into the pedestal 50A and your shore power cord plugged into the EMS, it would tell you via error code and you could go to the campground management and asked to be moved or have them fix it.
https://www.ebay.com/itm/30443073649...YAAOSwR2ZcZyBB
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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07-07-2022, 10:03 AM
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#4
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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Thanks for the reply, it's only outlets that are effected by this breaker, right side kitchen and some bedroom outlets. Could a slave gfi plug be bad? Or do you think it's outside by the slide outs? It has been raining alot but we've experienced that in the past. Thanks jim
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07-07-2022, 10:06 AM
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#5
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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They already replaced the plug and breaker and put a tester on the power supply. Everything looked good.
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07-07-2022, 10:09 AM
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#6
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Quote:
Originally Posted by Jayda5454
Thanks for the reply, it's only outlets that are effected by this breaker, right side kitchen and some bedroom outlets. Could a slave gfi plug be bad? Or do you think it's outside by the slide outs? It has been raining alot but we've experienced that in the past. Thanks jim
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Check your outside plug. I’ve never had an issue with one, but have heard of people (might even have been on this forum) that had to dry their outside outlet with a hair dryer after rain.
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07-07-2022, 10:16 AM
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#7
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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If it was wet wouldn't the 30 amp service trip the breaker?
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07-07-2022, 10:48 AM
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#8
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Some 30 amp dog bones will just cut power to the second side of the circuit. If you look at your breaker panel, there are two sides with the main being in the middle. One your 50 amp plug, you have two power pins, one feeds each side of the breaker panel. On a 30 amp plug there is only one power pin. Some adapters will tie them together and feed the power to both sides, some just eliminate the second side. My guess is that yours eliminates the second side since it only trips on 50 amp.
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Brent
2013 Alpine 3500RE
2019 Silverado 2500HD Duramax
U.S. Air Force Retired (25 yrs)
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07-07-2022, 11:09 AM
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#9
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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That's the configuration of the panel...but it just started doing this...could it be bad outlets within that circuit breaker?
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07-07-2022, 11:52 AM
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#10
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,600
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Exactly how are you connecting to the 30A generator vs the 50A ped? Are you using a 50A/30A dogbone plugged into the genset or do you have a 30A cable you use? If you are using a 50/30 it should take the one hot leg and split it to power both hot legs of the 50A. If you are using a 30A adapter and it only has one hot wire instead of splitting it out then only one side of your 50A panel will work. And yes, a bad/wet/overloaded receptacle should throw the breaker in the trailer first. If it only throws that "general" breaker when connected to the 50A ped and not on the 30A gen plug then it sounds like you possibly lost one leg of the power somewhere in the cabling/adapters and it isn't splitting the power to both sides of the 50A panel.
Edit: Just take a VOM and measure the incoming power at that breaker plugged into the 50A ped then with the 30A generator. If there is no power with the genset you have your answer.
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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07-07-2022, 01:56 PM
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#11
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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The panel is an inatimate object and cannot tell if your plugged into a 50 amp pedestal or a 30 amp generator. There is obviously a difference in the connections where that leg is not getting voltageen plugged into the dog bone adapter. If water intrusion into the exterior outlet is tripping a standard circuit breaker then it's imporperly wired. The exterior outlet should be wired downstream of a GFI outlet or a GFCI breaker and the GFI should trip.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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07-07-2022, 03:59 PM
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#12
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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Ok, the generator is 30 amp...the service is 50 amp at the pole. Even though they replaced the plug and breaker breaker on the pole for shore power can there still be a bad leg? Maybe the shore cable? I have nothing plugged into the outlets that the ciricut breaker is tripping on at a 50 amp connection. No appliances of any sort just outlets. Outlets that have nothing plugged into them at this point as I isolated the outlets.
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07-07-2022, 04:36 PM
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#13
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Do both ACs work? If they do, I’d suspect a wire/outlet short in the RV instead of a problem with the pole. Do you have an EMS connected to your RV to monitor the input power? If not get one. Probably the best investment towards protecting your rv you can buy. Mine is hard wired, they’re a bit pricey compared to the ones that plug in, but I prefer it. I’ve had times when it shut down my ACs at a park were power would surge and drop as people plugged in or disconnected.
The reason I ask about the ACs, one is on each leg of the power.
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07-07-2022, 04:46 PM
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#14
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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Yes! Actually have three 15 thousand btu air conditioners that work while plugged into the 50 amp, it's just that 15 amp circuit breaker that's tripping which only effects outlets and nothing else...I even turned the water heater onto electric to see if it made a difference and it doesn't, only the outlets along the left kitchen and a select few in the big bedroom... Weird stuff
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07-07-2022, 04:50 PM
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#15
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Then it’s definitely something in the outlets. If the ACs are running and no other problems, your input power is good. Especially since you don’t have anything plugged into them.
Just for S&Gs, try shutting down the ACs and see if the breaker still trips. Just wondering if there’s not enough power to run everything and it’s tripping that one as a result. With nothing plugged into it, shouldn’t make a difference, but sometimes things are wired to it that we aren’t aware of.
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07-07-2022, 05:00 PM
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#16
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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I would suspect a short in an outlet or it could be a staple thru a section of romex. I've heard of a staple being run through romex and it didn't pose a problem until the vibrations from travel worked it through the wire insulation.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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07-07-2022, 05:11 PM
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#17
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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Are there junction boxes on the slide outs that come into the camper that supply power? It's been raining sideways for a week on and off....
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07-07-2022, 05:13 PM
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#18
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Those are typically inside. Did you have problems before the rain or is this something that started since the rain? Has there been any lightening/possible power surges?
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07-07-2022, 05:19 PM
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#19
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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Quote:
Originally Posted by Jayda5454
Are there junction boxes on the slide outs that come into the camper that supply power? It's been raining sideways for a week on and off....
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If you have 120 vac outlets in the slide out then yes it has to have a power wire feeding it. The wire (romex) would be connected to a flexible cable ( like a heavy duty extension cord) which is connected to the bottom of the slide out. That cable would enter the slide and connect back up to romex which feeds the outlets.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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07-07-2022, 05:22 PM
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#20
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Junior Member
Join Date: Jul 2022
Location: Bradenton
Posts: 11
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No..We've experienced heavy rain falls pretty much the whole time it's been parked here in Florida, I know it's something simple...the ciricut breaker acts like an open gfci, no hesitation to trip...no load is on the outlets. Probably leaning on a bad outlet in itself.
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