Good Sam Club Open Roads Forum: GFCI outlet is popping when I plug in coach
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 > GFCI outlet is popping when I plug in coach

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Land Yachters

Philadelphia

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Posted: 11/02/20 08:08am Link  |  Quote  |  Print  |  Notify Moderator

Thanks to all. I have tried many of the suggestions, and returning to the coach this morning to plug it into another outlet. I use my daughters house for storage. Need a longer extension cord. I had no electrical work done while in shop. I know many have asked, but all I had done was a rear camera repair and fixing the support on rear engine cover.


Land Yachters
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enblethen

Moses Lake, WA

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Posted: 11/02/20 08:15am Link  |  Quote  |  Print  |  Notify Moderator

Engine cover could be the culprit! do you have engine block heaters?
Make sure the heaters are off.


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houstonstroker

Houston, TX

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Posted: 11/02/20 09:38am Link  |  Quote  |  Print  |  Notify Moderator

ktmrfs wrote:

houstonstroker wrote:

GFCI units (RVS) do not like to be plugged into GFCI outlets. My motorhome has GFCI breakers,. I turn these off while plugged in at my storage unit. Also GFCI outlets weaken over time. Leave your GFCI breakers or outlets off and plug in again.


GFI downstream shouldn't be an issue unless you have many many downstream.

If that was the case hair dryers, pressure washers, electric blankets etc. with built in GFI would be cause of trips and it seldom if ever happens.

Two things cause a GFI to trip (other than a failed GFI which does happen)

1) imbalance in current in the hot and neutral legs
2) a ground neutral short

either or both will cause GFI to trip.

to help isolate, trip the coach main breaker. if the GFI trips highly likely it is a ground neutral short. if it doesn't trip all the breakers but the 50A and turn on the 50A. if no trip turn on one breaker at a time till it trips. That's the faulty circuit.

breakers only isolate hot lead so a ground neutral short could be on any circuit if it trips with main breaker tripped.

If there is a surge protector etc. before the main breaker a fault in that could trip the GFI.


The OP is not plugged into a campground (non GFCI Outlet) he is plugged into a home GFCI outlet.


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Land Yachters

Philadelphia

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Posted: 11/02/20 04:22pm Link  |  Quote  |  Print  |  Notify Moderator

OK, in an effort to share our experiences and make all of us a little smarter, I will try to share a pic of what I found when changing connection to a different outlet. ****, I was using a cheap 30 amp/15/amp adapter and saw the ground lug broke off in the extension cord. I think that may be the culprit. Lesson learned..

Look for the weakest link
Look for the most obvious and easiest to fix

I couldn't find another adapter locally, and had to get one from Amazon

I will let all know if this is not issue>

Thank you all

[image]

* This post was edited 11/02/20 04:29pm by Land Yachters *

time2roll

Southern California

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Posted: 11/02/20 05:35pm Link  |  Quote  |  Print  |  Notify Moderator

Nice one [emoticon]


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wa8yxm

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Posted: 11/03/20 04:28am Link  |  Quote  |  Print  |  Notify Moderator

On an RV I am not sure but I think that might do it
I'd suggest a "Dog bone" type adapter Plug. short cord. outlet
Puts less strain on the outlet.


Home is where I park it.
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after a semi "nicked" it. Still have the radios
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jkwilson

Indiana

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Posted: 11/03/20 06:00am Link  |  Quote  |  Print  |  Notify Moderator

The GFCI doesn’t care about a missing ground. I’d certainly try a new adapter, but the pin missing is not the cause of the tripping. The hole in the adapter might have let moisture or debris in that causes it to trip.


John & Kathy
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wa8yxm

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Posted: 11/08/20 05:50am Link  |  Quote  |  Print  |  Notify Moderator

Oh adapter source. Wal*mart has 'em.

I agree with JKWilson though that is likely not it.

HOWEVER there is a situtation with RV's that as an trained Electronics Tech and half trained engineer and ham radio operator I understand that MIGHT affect it.
It's called capacitive coupling. But I doubt it is the reason.

Many GFCI the 3rd wire is N/C (not connected) internally.

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