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Old 08-03-2015, 05:17 AM   #1
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Plugging in our trailer it trips the GFI plug

We plug in our 2014 servory cadet by forest river and it trips the GFI plug every time also drains battery so we took it in to the shop found out when wiring the trailer the stapled into one of the wires therefore grounding out. Replaced wire replaced converter and new batteries, take it home plug it in trips GFI and still won't hold charge drains batteries in few hours we charge the batteries with generator. Only way we have any power is with generator. Please help with any info trailer has been in shop for 3 weeks
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Old 08-03-2015, 12:06 PM   #2
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The camper does not have an earth ground. Try a non GFI receptical.
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Old 08-03-2015, 12:23 PM   #3
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Are you saying that you are (Plugging into a GFI outlet) at your house/C/G? Are you using any type of (Protection In the Power cable also)? Youroo!!
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Old 08-03-2015, 01:15 PM   #4
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The GFCI outlet measures the current draw between the hot and neutral wire. If there is a difference it trips disconnecting power. This saves many lives every year. You could still have more wires shorted. Continue using the gfi receptacle but turn off all 120volt breakers and then plug your trailer in and see if the gfi holds. If it does turn on one breaker at a time until it trips. This will identify the faulty circuit. If it trips with all the 120volt circuits off it is the panel or power cord feeding the trailer. This is a potentially dangerous situation if the frame becomes energized and someone touches it. If you are not comfortable with this consult a qualified electrician, but do not plug it in without a GFCI.
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Old 08-03-2015, 03:16 PM   #5
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I am fairly certain you can not plug a camper into GFI. The camper does not have an earth ground. Think about it. Where does the neutral come from, it comes from the ground bar witch goes to earth ground. Plugging the camper int a GFI without the earth ground causes an imbalance tripping the breaker. Plugging into a standard receptacle gives the camper an earth ground allowing the GFIs to work in the camper.
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Old 08-03-2015, 03:22 PM   #6
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Plugging in our trailer it trips the GFI plug

Mine will trip at home on a gfi as well. Just use a standard outlet instead. These rigs don't play nice with Gfi's.
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Old 08-03-2015, 03:54 PM   #7
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The power from the panel is 120volt circuit consisting of 1 phase conductor, one neutral(grounded)conductor and one ground(equipment grounding)conductor. This is required by the National Electrical Code. The neutral and ground can't be connected together in the trailer, they are bonded at the first point of disconnect which is the first panel from the utility meter. The frame of the trailer is bonded to the equipment grounding conductor. The GFCI connection he is referring to is a dog bone type or an adapter for a 20 amp receptacle. (26 years experience as a journeyman electrician)
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Old 08-03-2015, 04:11 PM   #8
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Here are some facts regarding my use of GFCI circuits and RV trailers:
1. Prior to every camping trip with my current and two previous trailers, I have connected to a 15a outlet downstream from a GFCI outlet (to operate refrigerator and converter for slides, lights, battery charger).
2. I have never tripped the GFCI.
3. Just now for a test, I plugged my leaf blower into the outlet I use for my trailer, turned on the blower and hit the TEST button on the GFCI. This action killed the blower. Hitting RESET turned the blower back on.

Conclusion: MY trailer(s) did (do) play well with GFCI circuits.


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Old 08-03-2015, 09:26 PM   #9
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I stand corrected. It just occurred to me that I plug mine into an outside receptacle that is a GFI and it works fine. Still trying to wrap my head around it though.
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Old 08-03-2015, 09:57 PM   #10
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If you have accidentally turned on your electric element in the water heater without the water heater being full of water and burned out the element, it can cause this issue. When the heating rod burns out it will create a short that looks like a ground fault. If you are not sure , you will have to disconnect the heating element you can not just shut the breaker off.
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