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08-15-2016, 09:35 AM
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#29
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Senior Member
Join Date: Jul 2005
Posts: 1,677
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Quote:
Originally Posted by wajell
I don't think that is accurate. If you look closely you will see the 50 amp service is usually protected by (2) 25 amp breakers combined. That would be (2) 25 amp legs. Not (2) 50 amp legs.
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No it is two 50 amp legs. That is why a 50 amp service RV can have so many more devices.
In terms of watts, a 30 amp service can have a max of 3600 watts. A 50 amp service can have a maximum of 12,000 watts, 6000 watts on each leg.
The premise of using a 50-30 amp adapter changes the current limit from the power pole breaker to the input breaker of the RV.
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Dale & Mark Bruss
13 Years Full-Timing Now with a 2016 Bounder 33C
40' Travel Supreme winter residence
Lots of RV Information at www.dmbruss.com
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08-15-2016, 01:22 PM
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#30
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Member
Join Date: Aug 2013
Location: Maryland
Posts: 53
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__________________
2010 26' Forest River Flagstaff Super Lite
2006 Ford F-250 Power Stroke
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08-15-2016, 08:15 PM
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#31
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Senior Member
Carolina Campers
Join Date: Jan 2016
Location: Raleigh, NC
Posts: 137
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Forgive me if this was answered, but I am not clear. Is the recommendation to make it a standard practice to use the 50 to 30 amp adapter and connect to the 50 amp service, or should that be a last resort only when the 30 amp service isn't working?
__________________
2017 Grand Design Solitude 379FLS
2017 Ford F350 6.7L Power Stroke DRW
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08-15-2016, 09:19 PM
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#32
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Senior Member
Join Date: Jul 2016
Posts: 201
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This is why I started the original post. Someone told me I should use the 50 to 30 adapter. I'm scared I will hurt the camper or appliances.
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08-15-2016, 09:31 PM
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#33
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Senior Member
Join Date: Jul 2014
Posts: 32,242
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Maybe this article will help explain the camp ground service.
It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.
Neither one, used with a store bought dog bone, will hurt your RV.
Please read the article so the misconceptions will clear up.
http://www.rvtechmag.com/electrical/chapter3.php
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08-15-2016, 09:42 PM
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#34
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by twinboat
Maybe this article will help explain the camp ground service.
It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.
Neither one, used with a store bought dog bone, will hurt your RV.
Please read the article so the misconceptions will clear up.
Electrical Tutorial - Chapter 3 - 30 Amp versus 50 Amp |
And ours is one of those very few that does use 240VAC for our dryer. Quite rare but it does happen.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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08-16-2016, 06:42 AM
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#35
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Senior Member
Carolina Campers
Join Date: Jan 2016
Location: Raleigh, NC
Posts: 137
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Quote:
Originally Posted by twinboat
Maybe this article will help explain the camp ground service.
It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.
Neither one, used with a store bought dog bone, will hurt your RV.
Please read the article so the misconceptions will clear up.
Electrical Tutorial - Chapter 3 - 30 Amp versus 50 Amp |
Thank you for clearing that up for me ... even though you made me read and learn why  Just book-marked the RV TechMag home page; thanks for sharing!
__________________
2017 Grand Design Solitude 379FLS
2017 Ford F350 6.7L Power Stroke DRW
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08-16-2016, 07:30 AM
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#36
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Senior Member
Join Date: Aug 2012
Posts: 1,580
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The 50 and 30 amp outlets are both powered by the same bus and will supply the same voltage. The 30 amp outlet will better protect your wiring from the outlet and on thru the RV till it reaches the 30 amp breaker inside. Don't forget that the cheesy twist-lock connector in the trailer wall will not be properly protected. Of course this doesn't apply to a 50 amp RV.
The only reason to select the 50 amp outlet, and use a dogbone, is that the 30 amp outlet might be in poor condition.
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08-16-2016, 08:30 AM
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#37
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Senior Member
Join Date: Jul 2015
Posts: 680
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Quote:
Originally Posted by lynnmor
The 50 and 30 amp outlets are both powered by the same bus and will supply the same voltage. The 30 amp outlet will better protect your wiring from the outlet and on thru the RV till it reaches the 30 amp breaker inside. Don't forget that the cheesy twist-lock connector in the trailer wall will not be properly protected. Of course this doesn't apply to a 50 amp RV.
The only reason to select the 50 amp outlet, and use a dogbone, is that the 30 amp outlet might be in poor condition.
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+1 on this
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