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Open Roads Forum  >  Tech Issues

 > Need help finding an interior wall outlet...

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wa8yxm

Davison Michigan (East of Flint)

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Posted: 04/21/22 03:42pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

Walls in many RVs are not deep enough to accept standard electrical boxes and receptacles.


True. they make "Shallow box" or "Thin wall" outlets and boxes.
However he'd need enough slack in the wires to NOT use wire nuts or other connectors if he used them. Or he'd need to add a box above the existing (or beside) box for a junction.. (Easily done but why)


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groundhogy

PA

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Posted: 04/21/22 05:19pm Link  |  Quote  |  Print  |  Notify Moderator

OP:

Yes, once i pulled the outlet out, I discovered that almost all if the black char was in the blades of the outlet. The wires appear to be in very good shape.

The manufacturer allowed plenty of extra line to pull out the box.

My first thought was to find a good screw outlet with the wings (pawls). I spent a good amount of time and could not find this critter.

I did manage to find an original style outlet so I ordered that.
I will just let it bite in about 1/2 inch away from the original bite location.

How does that sound?

enblethen

Moses Lake, WA

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Posted: 04/21/22 06:18pm Link  |  Quote  |  Print  |  Notify Moderator

I would measure the wall depth to see if a standard box will fit. Shallow boxes will not always accept a receptacle.
I would not use the old style receptacle with side screw terminals. Better ones are the back wired clamp style.


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pianotuna

Regina, SK, Canada

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Posted: 04/21/22 06:47pm Link  |  Quote  |  Print  |  Notify Moderator

groundhogy wrote:

OP:

Yes, once i pulled the outlet out, I discovered that almost all if the black char was in the blades of the outlet. The wires appear to be in very good shape.

The manufacturer allowed plenty of extra line to pull out the box.

My first thought was to find a good screw outlet with the wings (pawls). I spent a good amount of time and could not find this critter.

I did manage to find an original style outlet so I ordered that.
I will just let it bite in about 1/2 inch away from the original bite location.

How does that sound?


It sounds like a HUGE mistake.

I replaced all but one of the outlets in my RV with screw terminal type.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

groundhogy

PA

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Posted: 04/22/22 06:58pm Link  |  Quote  |  Print  |  Notify Moderator

Well how do you get a box behind the wall in a finished RV wall (airstream)?

Then also you will have one oddball outlet.

enblethen

Moses Lake, WA

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Posted: 04/22/22 07:10pm Link  |  Quote  |  Print  |  Notify Moderator

In a normal house with 2x4 or 2 x6 walls, you would use what is called an "old work" box. They have wings that when tighten clamps the box to the wall surface material.
Old work box

JBarca

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Posted: 04/22/22 08:51pm Link  |  Quote  |  Print  |  Notify Moderator

See if this will help. It is called a box extender. They are used in the more traditional campers when you have to install a GFIC into a shallow/old work box. This goes on the outside of the wall, over the top of the wallboard.

https://www.amazon.com/Leviton-6197-I-Sh........nder/dp/B0015XKHO0/ref=asc_df_B0015XKHO0

The box extender will give you more room on the box. You still have to have enough wire to splice/attach to a standard receptacle.

I'm not saying this will fix your issue, just throwing out options in case it can help. It creates more room.

This is not the best pic of the extender, I was troubleshooting the KIB tank panel, but the GFIC is just below it with the extender cover on it.
[image]

Hope this helps

John


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JBarca

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Posted: 04/22/22 08:53pm Link  |  Quote  |  Print  |  Notify Moderator

deleted- double post by accident

* This post was edited 04/25/22 07:11pm by JBarca *

Blacklane

New Carlisle, Ohio USA

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Posted: 04/23/22 08:25pm Link  |  Quote  |  Print  |  Notify Moderator

Screw-type terminals where you wrap a wire around a screw are not appropriate for a vibration environment, such as in an RV. You need to use clamp style, spring style (also called back-stab), or the original punch-down style used in self-contained devices.

Also, installing self-contained devices is much easier with a special tool for the job. For a single outlet, it will probably be cheaper to just have a professional do it.

Many will claim that household devices are superior to self-contained devices, but that's not really verifiable. Both are usually certified by UL and CCA (check for that) and both are allowed by the US National Electric Code.

joebedford

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Posted: 04/24/22 01:35pm Link  |  Quote  |  Print  |  Notify Moderator

I installed screw-type receptacles on a couple of new circuits. I check them periodically because of vibration and have not found a single screw loose after 5-6 years.

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