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Old 05-05-2012, 11:01 PM   #1
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Can't plug in land power - Trips house breaker

Just got my 5'ver out of being mothballed for the winter (I know.. late... but we had twins last week lol). Everything seems to work fine when running on the 12V and gas. However, when I try to plug in the 110V line to my house line, it trips the breaker in the house (20A). I have tried turning off all the breakers in the trailer, and turned off all appliances/lights in the trailer. Still happens. Something is shorting out the main line coming in I'm guessing. Looking for some help on where to start troubleshooting.

TIA.
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Old 05-05-2012, 11:03 PM   #2
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Pull the converter main fuse and see what happens. If your battery is low it is also possible the converter is drawing more than 20A trying to charge the battery
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Old 05-05-2012, 11:30 PM   #3
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is the house outlet you're plugging into, a GFI outlet?
if so, i've heard this won't work.
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Old 05-06-2012, 09:40 AM   #4
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No, the outlet isn't a GFI. It's a normal 20A rated outlet. I'll try the main fuse and see what happens. Tks.
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Old 05-06-2012, 09:58 AM   #5
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Were you able to plug into the house with that same trailer last year?
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Old 05-06-2012, 10:28 AM   #6
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Turn off all of the 120 volt breakers in the trailer. Plug into the house receptacle. Turn on 1 breaker at a time in the trailer to see which circuit could be the problem.
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Old 05-06-2012, 01:49 PM   #7
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Pulled all the fuses, and turned off all the breakers, and still pops. I think my next step is I will open up the breaker panel and check the main power cable for shorts. Any other ideas?

And yes, this same trailer worked fine in the same outlet last year.
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Old 05-06-2012, 02:05 PM   #8
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Have you tried plugging into a different outlet? I have two outside outlets one is on the garage circuit the other is on the tv room in the house. Both 20a but the garage trips breaker.
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Old 05-06-2012, 02:23 PM   #9
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I have heard that a hot water heater with a shorted out element can still be shorting out without the breaker on.......don't know exactly how that happens, but maybe someone else can explain that. Maybe disconnect the element wires or the lead wires, and see if the breaker still trips ??
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Old 05-06-2012, 02:36 PM   #10
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Have you tried to unplug from the trailer and just plug the cord into the outlet. If it doesn't trip the breaker, you know the cord is good. If it trips the breaker, you know the cord has a short. If it trips, before I torn into the cord, I would try it in another outlet. If just the cord doesn't trip the breaker, and you have everything else turned off and all breakers off, I would suspect a short between the trailer plug and the main panel. Mice could have gotten into the wiring from the plug to the main box.
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