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Old 08-05-2014, 08:26 PM   #1
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Tripping 30A breaker and other issues - Help!

Need help/advice since I had several things happen this weekend while camping that have not happened in the past.

We have camped at this particular campground many times and have never had issues, but this weekend I kept tripping the 30A breaker on the post. I have a surge protector hardwired in my travel trailer and it kept showing more than 30 amps. Voltage with AC running was down in the 113 - 115 range. I did not do anything different this trip so I am not sure why all of a sudden I am pulling so many amps. All I had running were the AC, water heater (electric), lights and TV. Have done this in the past and did not trip the 30A breaker. Thoughts?

The second thing I had happen at 3:30 in the morning was the LP/CO detector went off. I had no gas appliance running and this was 4th noght of camping so not sure why ont he 4th night it decided to go off. Any input on this is also appreciated.
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Old 08-05-2014, 08:35 PM   #2
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One thought on the LP/CO detector is low battery voltage. If your 30amp breaker was tripped, therefore no shore power, and your battery was low, that may have caused the alarm. LW
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Old 08-05-2014, 08:39 PM   #3
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Sorry that you had a such a hard time sounds like the CG was having a power shortage It may of help if you put the water heater on propane as it is such a power hog also where you at the end of the line on the power grid I know that this may seem silly but once we stayed at a CG in the back when we had a popup with no air just turning on a fan had the light's going out one last thing it may of been a bad breaker, some times they get week and pop easily if a surge goes thru them
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Old 08-05-2014, 09:16 PM   #4
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Being it was the power post that was tripping, it might have been a week breaker and a power supply issue at your site. See what happens at a different campground. The 30 amp breaker inside the TT did not trip, correct? You may also want to check your cord from the male connector to the hardwired surge protector, as you should not be pulling more than 30 amps for more than a short moment while things like the AC power up. Otherwise the internal breaker should trip, before the post trips.

LP/CO detector, if it was not the low power issue, they do have a tendency to get very very sensitive as they age.
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Old 08-06-2014, 07:55 AM   #5
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Thanks for all the help from everyone. It was the outside post breaker tripping and not the one inside the camper. I will check the cord. The battery was good and I think it was a campground issue that caused the issues. I will check at a different campground.
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Old 08-06-2014, 08:38 AM   #6
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Might be worth having a 30-50A dog bone for times like that. The 30A gets the most use (and abuse) so the plug and/or breaker could be getting flakey.
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Old 08-06-2014, 08:55 AM   #7
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Just throwing this out there about the dogbone. IF the issue is in the cord which is tripping the breaker at the supply, then using a dogbone on a 50A circuit could cause a fire since it will now take 50A draw to pop the breaker instead of 30A. A faulty cord will NOT pop the RV's 30A breaker, but the resulting fire could happen inside the unit.

In the original post, he mentions that his camper is drawing more than 30A which if correct would be why the service breaker is tripping.

Not criticizing just trying to keep it safe.
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Old 08-06-2014, 10:19 AM   #8
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Ran some test this morning since I can see my volts and amps on my surge protector. With only the fridge running on electric I pull 5 amps. Here is what everythign else pulls:

AC - 12 - 15
Water heater (electric) - 12
Few lights: 2 - 4

With just these few items running I am at or slightly above 30 amps already. That coupled with voltage drop down to 112 - 115 put me over. Guess certain pedestal breakers can handle the overload for a little longer than this one did. Will need to make sure that I run my water heater on Gas if AC is running. Does not take long to hit 30 amps!
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Old 08-06-2014, 02:22 PM   #9
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We don't use much hot water unless showering so I leave the wh off. It doesn't take long to heat back up. I can't see using the LP since it's on my nickel but elec is on the CG. Also, a couple of years ago we had an issue with the CO monitor constantly beeping until I turned the valve off at the LP tank.
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Old 08-06-2014, 02:34 PM   #10
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When I had 30 amp service we used propane to heat water and only when we needed hot water. Even with 50amp with 2 AC units we do the same thing.

Microwave added to AC can also trip your breaker. So will a coffee pot if it has a hot plate on it. Hot plate on coffee pots can be 1000 watts....

It all about decisions once the AC is running.
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