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05-22-2016, 04:20 PM
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#1
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Junior Member
Join Date: May 2016
Posts: 1
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220V to 110V Conversion
When I plug in to 220 it is not converting to 110. So far I have blown out 2 vacs using the outlets. However, the lights and intrnal stuff works fine. Any ideas?
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05-22-2016, 04:22 PM
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#2
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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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What do you mean plugging it into 220? Are you trying to plug the rig into a 30 amp 220 plug in like for a welder or dryer? If that's so then you're lucky that's all you've burned out.
__________________
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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05-22-2016, 04:24 PM
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#3
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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Get a voltmeter and see what is going on before you try to run the appliances.
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05-22-2016, 04:24 PM
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#4
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Junior Member
Join Date: Nov 2011
Posts: 10
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Quote:
Originally Posted by dannyjr
When I plug in to 220 it is not converting to 110. So far I have blown out 2 vacs using the outlets. However, the lights and intrnal stuff works fine. Any ideas?
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Try 440 volts
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05-22-2016, 04:24 PM
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#5
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Senior Member
Join Date: Jul 2010
Location: Southern Ohio
Posts: 793
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That's scary. Why are you plugging into 220v? No RVs that I know of run off 220v. The 30 amp plug looks like a dryer plug but is definitely not! Plug a 30amp RV cord into a dryer outlet and you'll blow up all kinds of stuff.
__________________
John McKinley
2007 Damon 3060-Ford 16k, Ford C-Max Toad, Ford Ranger Toad, Kawasaki VX300 Versys Motorcycle
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05-22-2016, 04:28 PM
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#6
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Senior Member
Join Date: Jul 2010
Location: Southern Ohio
Posts: 793
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Beware of know-it-all neighbors and jackleg would be electricians. My brother in law had a RV outlet wired by someone who wired it like a dryer plug. It trashed everything electrical in his trailer. TV, DVD, refrigerator, converter, stereo and more.
__________________
John McKinley
2007 Damon 3060-Ford 16k, Ford C-Max Toad, Ford Ranger Toad, Kawasaki VX300 Versys Motorcycle
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05-22-2016, 04:29 PM
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#7
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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 jmckinley
That's scary. Why are you plugging into 220v? No RVs that I know of run off 20v. The 30 amp plug looks like a dryer plug but is definitely not! Plug a 30amp RV cord into a dryer outlet and you'll blow up all kinds of stuff.
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Actually the 50 amp RV service is 50 amps and 240 volts and on our rig the dryer is 240 volts. Most rigs split the two 50 amp incoming circuits to make 100 amps of 120 volt.
50 amps X 2 X 120 = 12,000 watts or 50 amps X 240 = 12,000 watts.
__________________
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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05-22-2016, 04:30 PM
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#8
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Senior Member
Winnebago Owners Club Solo Rvers Club
Join Date: May 2015
Posts: 1,834
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From your profile I see you just joined and that this is your first post.
It would help if you identified what kind of RV you have and what you are doing, what kind of cord end you plugging into what kind of outlet and what if any adapter you are trying to do.
If you did in fact apply 240 Volts AC to 120 Volts in your RV you have damaged many things. The only things that are working now are 12 volt things.
Don't do whatever you are doing any more until you get local help from someone with electrical knowledge or at a minimum post more information so we can understand how bad what you are doing is and can advise.
__________________
Randy - Manhattan, Kansas
2015 Vista 27N
2020 Ford Escape Hybrid
[SIGPIC][/SIGPIC]
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05-22-2016, 04:45 PM
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#9
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Senior Member
Join Date: Jul 2014
Posts: 35,439
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Don't know if this will help, here is the wiring layout.
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05-22-2016, 05:23 PM
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#10
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Senior Member
Join Date: Nov 2015
Posts: 773
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converting 220V to 110V
Let me guess, you have a 30 amp plug and you're plugging into a dryer outlet?
Put another way, there is nothing in an RV that will convert 220 to 120.
__________________
2012 Dodge C3500 DRW 4x4 Long Box, WeatherGuard 90 Gal transfer tank, B&W Companion Hitch
2012 Keystone Montana 3100RL, 520W Solar, 460AH batteries, Morningstar MPPT 45 CC, Bogart 2030RV monitor.
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05-22-2016, 05:30 PM
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#11
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Member
Join Date: Mar 2016
Location: Gainesville, FL
Posts: 76
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Why and what are you plugging into the 220v receptacles?
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05-22-2016, 05:32 PM
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#12
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Or your plugged into a 220V welder outlet ,  that is a real problem.
The converter in your RV is not there to convert 220V to 110 V , it's there to convert 110V to 12 volt to charge your RV batteries and the interior 12volt systems , like the lights.
Your RV should never be plugged into 220. Not only the vacuum has been damaged , could be the any/every, 110v system in your coach could be damaged.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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05-22-2016, 05:38 PM
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#13
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Senior Member
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
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Quote:
Originally Posted by dannyjr
Seems that when I plug into 220 the outlets are not converting to 110. All other system interiors seem to be ok, lights ect but i have burnt out 2 vacs. Any ideas?
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WHEN YOU SAY "plug into 220". What exactly are you plugging into. If it's a 3 prong outlet and measures 240 between the 2 angle slots, do not hook up to this! If it's a standard 4 prong 50 amp 120/240 outlet that measures 240 between the two hot legs and 120 between either hot leg and the neutral and the ground then it's ok to plug in.
Your coach doesn't "convert" to 110 (really 120 these days). In a properly wired 50 amp outlet, 240 is present and available but the coach doesn't use that capacity. It considers these two hot legs as two separate circuits, each being 120 vac and limited to 50 amps each.
__________________
Steve Ownby
Full time since 2007
2003 Monaco Signature
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05-22-2016, 05:49 PM
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#14
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Senior Member
Join Date: Jul 2014
Posts: 35,439
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One thing that gets me is that you can't just plug a 30 amp RV plug into a 240 welder or dryer receptcal.
They don't fit.
Someone has to take things apart and change parts to do this.
There is no "30 amp 240 volt welder/dryer" to "30 amp 120 volt RV" adaptor.
RV plugs have 2 flat blades and 1 round pin.
Welder/dryer plugs have 3 flat blades.
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