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10-16-2019, 06:56 AM
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#1
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Junior Member
Join Date: May 2018
Posts: 7
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110 or 220 volts
having a receptacle put in for camper at semipermant location. My male plug is 4 lugs. one is round the other three are flat and arranged forming a circle , and slanted. (50 amp) Those familiar will know the one I'm describing (trying). My electrician is saying this is a 220 volt plug. I though its 110. What do you guys say. Have run it at campgrounds>
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10-16-2019, 07:00 AM
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#2
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Senior Member
Join Date: Mar 2019
Posts: 469
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It is a standard 120/240V outlet. 4-wire service provides both.
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10-16-2019, 07:01 AM
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#3
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Posts: 14,498
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I just installed several of these in the new house I built. The round 4 prong plug is wired for a 240 volt circuit (if done correctly).
Only a handful of larger coaches actually utilize the 240 volts, in most cases it is split into two 120 volt circuits.
__________________
Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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10-16-2019, 07:15 AM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 35,349
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Standard 120/240 volt service like your electric range.
http://www.myrv.us/electric/Pg/50amp_Service.htm
Its full 240 volts right up to the double breaker in your main panel. Then its split out to 2, 120 volt branch circuits.
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10-16-2019, 07:30 AM
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#5
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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50 amp is 240 volts 4 wire #6 ga. wire. 30 amps is 120 volts 3 wire #10 ga. wire.
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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10-16-2019, 12:50 PM
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#6
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Senior Member
Join Date: Nov 2015
Posts: 1,111
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Tell your electrician you need a NEMA # 14-50R he'll know what you need.
CLIFFORD
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10-16-2019, 01:26 PM
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#7
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Senior Member
Join Date: Jul 2014
Posts: 35,349
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If you look at your plug, and outlet, you may see that its even marked 50 amps, 125/250 volts. Standard stuff.
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10-16-2019, 01:37 PM
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#8
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Senior Member
Join Date: Jun 2016
Posts: 250
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Before plugging your RV into the new outlet have your electrician show you the voltages with his volt meter, voltage between the lugs at three and nine o-clock should be 240,,, voltage between lugs at three and twelve o-clock should be 120,,,as well as three and six o-clock is 120,,, nine and twelve o-clock should be 120 as well as nine and six o-clock is 120. the voltage between six and nine o-clock will show zero.
__________________
Bill And Jeanne Anglin, Wasilla, Alaska.
1999 Dutch Star 3884, Freightliner, Cat 300, Jeep Liberty Toad.
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10-16-2019, 01:41 PM
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#9
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Senior Member
Join Date: Jun 2016
Posts: 250
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Don't think those are supposed to be slanted,
__________________
Bill And Jeanne Anglin, Wasilla, Alaska.
1999 Dutch Star 3884, Freightliner, Cat 300, Jeep Liberty Toad.
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10-16-2019, 02:36 PM
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#10
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Registered User
Join Date: Sep 2018
Posts: 1,205
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I agree, the OP mentioned "slanted".
His electrician should only have to look at what is on the 'camper' to discern what is needed.
Stay cool
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10-16-2019, 04:17 PM
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#11
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Senior Member
Join Date: Nov 2015
Posts: 1,111
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Treeplanter the OP said 4 lugs,,,,, one is round ,,50 amp lets not add confusion, that's a 120/240 volt ,50 amp NEMA configuration . the OP mentioned "slanted" he's referring to the 'neutral' conductor blade. . JK Wilson post is spot on, NEMA 14-50R/P .
Issue question solved !!
CLIFFORD
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10-16-2019, 07:17 PM
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#12
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Senior Member
Join Date: Aug 2013
Posts: 1,455
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Quote:
Originally Posted by jacwjames
I just installed several of these in the new house I built. The round 4 prong plug is wired for a 240 volt circuit (if done correctly).
Only a handful of larger coaches actually utilize the 240 volts, in most cases it is split into two 120 volt circuits.
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Quote:
Originally Posted by twinboat
Standard 120/240 volt service like your electric range.
The 50-amp 120/240-volt 3 pole 4
Its full 240 volts right up to the double breaker in your main panel. Then its split out to 2, 120 volt branch circuits.
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These two pretty much cover it, I think your electrician knows what he is talking about. You can grab 240 for the RV with a doubly half space 50 amp and XX amp breaker. The xx can be any amperage up to 50 although that would not be practical, most likely 30 amp would be normal.
I run my Cheap Heat system on 240v 30 amps.
__________________
Russ & Paula, Portland, OR. The Beagle Belle.
2016 Ram Laramie 3500 DRW Aisin 4X4 14,000# GVWR.
2005 Keystone Copper Canyon 293FWSLS Rear Kitchen 12,360 GVWR
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10-17-2019, 05:47 AM
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#13
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Junior Member
Join Date: May 2018
Posts: 7
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You guys nailed it. Everything is up and running and most importantly "didn't let the smoke out of anything" My electrician was right. He explained / showed me how it broke down inside. That's why I hired him, LOL. Thanks for all the responses.
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10-17-2019, 05:48 AM
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#14
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by nutcker
Before plugging your RV into the new outlet have your electrician show you the voltages with his volt meter, voltage between the lugs at three and nine o-clock should be 240,,, voltage between lugs at three and twelve o-clock should be 120,,,as well as three and six o-clock is 120,,, nine and twelve o-clock should be 120 as well as nine and six o-clock is 120. the voltage between six and nine o-clock will show zero.
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You got the idea you just typed it wrong.
12 and 6 will be zero
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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