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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

 > installing 50 amp rv receptacle at home

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CopanoCruisin

The Great State of Texas

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Posted: 06/25/11 09:14am Link  |  Print  |  Notify Moderator

I know it should be simple, but I have having a difficult time trying to explain this to an licensed electrican. Anyone have a simple explanation?

jbbrick

Near San Francisco

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Posted: 06/25/11 09:25am Link  |  Print  |  Notify Moderator

I'd say get another electrician. All you want is a standard 50a, 115v outlet (hopefully you have the service capacity for it). I have only a 30 on mine but I think you need either a NEMA 10-50R or a 14-50R, depending on your plug configuration.


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2oldman

Wilson Creek WA

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Posted: 06/25/11 09:43am Link  |  Print  |  Notify Moderator

50a home outlet 2011
What is 50a service? 2007
RV electric 50a website

rockhillmanor

On the Road

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Posted: 06/25/11 09:31am Link  |  Print  |  Notify Moderator

CopanoCruisin wrote:

I know it should be simple, but I have having a difficult time trying to explain this to an licensed electrican. Anyone have a simple explanation?


Do NOT, I repeat do NOT trust an electrician to install an RV PLUG.
They just don't get it. Ask ME why.

Paid an electrician.
Installs it wrong.
I plug in......blows converter,microwave, battery.

Here is an invaluable link for installing an RV outlet. Given to me by a forum member. Print it out and if you have to use an electrician hand it to them and tell them that if they do not follow those directions they will not be paid.

http://www.myrv.us/electric/
Here's the 50 amp directions:http://www.myrv.us/electric/

This is what commonly happens when installing a 30 amp which is what happened to me.
The TT–30 is a 30A, 120-volt recreational vehicle standard sometime it is called simply RV 30. Frequently it is confused for a NEMA 10–30 (see below) with disastrous results. Due to the appearance of the TT-30 plug, many people assume that it is to be wired for 240-volt, but this is a 120-volt device.

This service is very simple to wire just follow the color coding for the connections if marked and use the correct size wire.

The BLACK wire or HOT it is connected to the breaker and to the BRASS colored screw if marked. Some receptacles do not have different color screws in that case attach the black wire at 5 o'clock or right hand side when looking at the BACK of the receptacle (or the 7 o'clock frontal position) the WHITE wire or neutral is connected to the silver screw or opposite side of the black wire and to the neutral bar in the panel. The BARE or GREEN wire is connected to the "G" screw or the U shaped prong and to the ground bar in the panel. ALWAYS test for for polarity with a tester before plugging in the RV.

The above 30-amp 120-volt service will supply 3,600 watts.

It is imperative that the Electric Service used for RV’s are wired correctly. DO NOT TRUST anyone, yourself, friends, relatives or ANY Professional Electrician. ALWAYS check out all RV Electric Service BEFORE plugging in the first time. The majority of the mistakes and the most damage to the RV’s are made with the incorrect installation of the 120-volt 30 amp Service. For some reason people including Electricians just DON’T GET IT when it comes to the 30-amp 120-volt Service. All you need to do is look at the online Forums where RV’s were damaged by incorrect installations.

Many times the 30-amp 120-volt Service is confused with the OLD 3 wire 120/240-volt Appliance Service. Even if you purchase the correct TT-30 receptacle it may get wired incorrectly with 2 HOT lines. It is harder to make mistakes with the 50-amp 120/240-volt installation but people do screw things up. As long as all the wires are connected to the correct terminals and everything checks out it will work.
For information on how to test RV Electric Outlets Look at the "OUTLET TESTING" page.

For BASIC HOW to WIRE a 30-amp Service Click on and Print out the following page and hand it to the person installing it.

Hope this saves you what could be costly unnecessary repairs on your RV.


"We must be willing to get rid of the life we've planned,
so as to have the life that is waiting for us".


enblethen

Moses Lake, WA

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Posted: 06/25/11 09:33am Link  |  Print  |  Notify Moderator

A fifty amp RV receptacle is the same as a four wire range receptacle.
Find another electrician!


Bud
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vic46

Red Deer, Alberta, Canada

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Posted: 06/25/11 09:35am Link  |  Print  |  Notify Moderator

Go to this link and all will be made clear.
Vic

http://www.myrv.us/electric/


Never argue with an idiot. You will be dragged down to their level and then beaten with experience.


big dave

Soldotna, Alaska, USA

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Posted: 06/25/11 12:11pm Link  |  Print  |  Notify Moderator

jbbrick wrote:

I'd say get another electrician. All you want is a standard 50a, 115v outlet (hopefully you have the service capacity for it). I have only a 30 on mine but I think you need either a NEMA 10-50R or a 14-50R, depending on your plug configuration.
A 50 amp RV only has one plug configuration, NEMA 14-50R. The 14-50R is a standard 4 wire 120/240 volt 50 amp outlet.


Dave & Rose C
90 Safari Ivory 34' DP
04 Saturn VUE V6

enblethen

Moses Lake, WA

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Posted: 06/25/11 12:50pm Link  |  Print  |  Notify Moderator

It is a 14-50R receptacle. Do not use a 10-50R as it is 240 volt, no neutral.

smkettner

Southern California

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Posted: 06/25/11 09:58am Link  |  Print  |  Notify Moderator

If he does not know how to properly install a NEMA 14-50R you need a different guy.
This is slam dunk basic for even a one year electrician.


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CopanoCruisin

The Great State of Texas

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Posted: 06/25/11 11:42am Link  |  Print  |  Notify Moderator

Thanks a million!!!!!!!!!!!!! That is very clear..........tightlines........Cc

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