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03-29-2016, 02:16 PM
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#1
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Senior Member
Ford Super Duty Owner
Join Date: Nov 2010
Posts: 1,345
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30 Amp Connection
I'm curious to know if anyone else has experienced this same issue. When we bought our 2001 Bounder we decided to install a 30 amp connection. We used a 30 GFCI breaker in the box. First time we used it we blew the breaker. I tried it in a regular exterior GFCI breaker outlet. Once again we popped the breaker at the outlet. Finally we installed a regular non GFCI 30 amp breaker and it does not blow that type of breaker. I really don't understand why we blow the GFCI but not the regular breaker. We also do not blow ant breakers at a campground ??? Would really appreciate any help from some electrically minded folks.
Thanks
__________________
Tonkin Gulf Yacht Club
2009 Fleetwood Bounder 35H
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03-29-2016, 02:20 PM
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#2
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Senior Member
Join Date: Mar 2011
Location: Ottawa Ontario Canada
Posts: 1,260
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Turn all your breakers off in the motorhome, plug in and then turn them on one by one to see which device is tripping the GF.
You will likely find it's the Charger/Inverter. If thats the case there is probably a "bond" (jumper) between Neutral and Ground in the Inverter part which can probably be removed...
__________________
DanielB
Looking for small Class C, sold Newmar MADP
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03-29-2016, 02:23 PM
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#3
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Oct 2009
Location: E WA or S TX
Posts: 4,049
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Your MH most likely has some leakage to ground. Water Heater, Frig, and outside outlet are common causes. 30 amp service at CGs are not GFCI protected.
Try opening all your breakers in the MH, if it doesn't trip, close them one at a time till it does. That would be the offending circuit. Troubleshoot from there.You typeFASTER
DanielB You type Faster
__________________
04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!
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03-29-2016, 10:27 PM
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#4
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Member
Join Date: Oct 2012
Location: Upstate New York
Posts: 80
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You have GFCI outlets in your coach. You are attempting to plug into a GFCI outlet. That will not work. You can not have GFCI outlets in series.
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03-29-2016, 10:36 PM
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#5
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Registered User
Fleetwood Owners Club
Join Date: Apr 2012
Posts: 905
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Quote:
Originally Posted by silveradohd
You have GFCI outlets in your coach. You are attempting to plug into a GFCI outlet. That will not work. You can not have GFCI outlets in series.
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Definitely not true, totally wrong, ignore.
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03-29-2016, 10:55 PM
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#6
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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Chuck out the GFI at the post equivalent and forgetaboutit.
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03-30-2016, 05:14 AM
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#7
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Senior Member
Ford Super Duty Owner
Join Date: Nov 2010
Posts: 1,345
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OK ...... so there is no GFCI at the post. Not that the location matters a lot but I have (no longer installed) a GFCI breaker in my circuit breaker box in the garage. I was informed, not by an electrician, that since it is an outside connection that it must be on a GFCI. It makes sense so I guess I need to start checking to see what circuit in the coach is actually tripping it. I have no inverter so that isn't the problem.
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03-30-2016, 06:23 AM
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#8
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Senior Member
Join Date: Mar 2011
Location: Ottawa Ontario Canada
Posts: 1,260
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I think I read that the icemakers in the Norcold fridge are sometimes the culprit.
Don't forget to let us know what you find...
__________________
DanielB
Looking for small Class C, sold Newmar MADP
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03-30-2016, 06:32 AM
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#9
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Registered User
Gulf Streamers Club
Join Date: Jun 2010
Location: Trois-Rivieres, QC, Canada
Posts: 414
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Quote:
Originally Posted by LSC9901
OK ...... so there is no GFCI at the post. Not that the location matters a lot but I have (no longer installed) a GFCI breaker in my circuit breaker box in the garage. I was informed, not by an electrician, that since it is an outside connection that it must be on a GFCI. It makes sense so I guess I need to start checking to see what circuit in the coach is actually tripping it. I have no inverter so that isn't the problem.
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I think that HHIDan meant the "converter charger".
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03-30-2016, 07:11 AM
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#10
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Senior Member
Ford Super Duty Owner
Join Date: Nov 2010
Posts: 1,345
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No ice maker, so that is out. It'll actually be a week or 2 before I get into it again. It's still cold in VT and the bus is still covered. Just looking for ideas when I do get into it.
__________________
Tonkin Gulf Yacht Club
2009 Fleetwood Bounder 35H
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03-30-2016, 03:28 PM
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#11
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Senior Member
Join Date: Aug 2008
Location: Georgia
Posts: 8,638
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Quote:
Originally Posted by LSC9901
I'm curious to know if anyone else has experienced this same issue. When we bought our 2001 Bounder we decided to install a 30 amp connection. We used a 30 GFCI breaker in the box. First time we used it we blew the breaker. I tried it in a regular exterior GFCI breaker outlet. Once again we popped the breaker at the outlet. Finally we installed a regular non GFCI 30 amp breaker and it does not blow that type of breaker. I really don't understand why we blow the GFCI but not the regular breaker. We also do not blow ant breakers at a campground ??? Would really appreciate any help from some electrically minded folks.
Thanks
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30amp 110 not 30 220
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2007 Fleetwood Revolution LE 40V
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03-30-2016, 04:04 PM
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#12
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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Some common GFCI trippers in a coach are the converter/charger and the electric heat element in the fridge (which is on when in AC mode but not LP). It is also possible that somebody bonded the neutral and ground in the coach breaker panel. That should not be done and will result in tripping a GFCI.
Please note that tripping a GFCI is a different problem than the more common high amp breaker trip. You have a ground fault, so a non-GFCI breaker won't detect it. You really should find and fix the fault, though, since it represents a potentially dangerous situation (risk of electrical shock). rgvtexan gave advice on how to find the circuit with the problem.
However, it could be a any number of things.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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03-30-2016, 04:29 PM
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#13
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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FWIW If you look up the code for a recreational vehicle connection that calls for a ground and bond at the post with no GFI for the 30 or 50 A connection. The 20 A connection is supposed to be a GFI. That is different than what is used in about every other connection in the average home. What you need to do is make sure there is a good path to ground for both the neutral return and the safety ground.
I will add the calrod if you have electric hot water as another potential leakage point.
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03-30-2016, 06:03 PM
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#14
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Senior Member
Join Date: Aug 2008
Location: Georgia
Posts: 8,638
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Quote:
Originally Posted by Tha_Rooster
30amp 110 not 30 220
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Sorry my bad stupid answer should have read better before answer.
__________________
2007 Fleetwood Revolution LE 40V
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