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Old 11-27-2017, 06:46 AM   #15
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Originally Posted by powercat_ras View Post
Self contained 120 V electrical outlets and switches are UL approved and are commonly used in RVs and mobile homes. They make 4 electrical connections to each wire, similar to the connection made inside residential "push in" type outlets and switches. They do not require an electrical box. They only require a depth behind wall of 1.5" . Hubbell-Wirecon is one common manufacturer.

At the RV or Manufactured Home factory, the key is to use the self contained outlet / switch manufacturer specified tool to correctly slit the and form the romex, place the romex into the slits in the back and then finally to use the tool to assemble the two halfs of the outlet or switch.

They are not reusable. It is possible but difficult to use one of these in a repair or retrofit without the tool. I have done it once due to the lack of depth where I wanted to add an outlet. I have made the slit and formed the wires manually once, and used needle nose pliers to insert the wires into the insulation displacement connection points, then manually assembled the halfs with water pump pliers. It worked fine. These self contained outlets are available for purchase at RV supply sources and eBay.

If without the tool , if the depth and the length of the romex permits, it is best to replace with a box and conventional outlet.


Thanks for the info. I had plenty of room to add plastic box & house type receptacle. Next one I have to replace I might need the RV receptacle if they have left me enough romex.

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Old 11-27-2017, 07:03 AM   #16
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I have not replaced but I expanded using Residential and 15/20 amnp at that (With 12ga wrapped around screws instead of punch down or poke in a hole) Very happy with result,

THe only Issue is the box depth.. The wall may not be thick enough to mount the box. ONe of mine I needed to trim up around the box

Home is where I park it!
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Old 11-27-2017, 07:23 AM   #17
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I've done it with both regular depth and shallow boxes depending on location. Drove screws through the box sidewall to secure. Was lucky that there was enough wire slack to re-do the connections.
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Old 11-28-2017, 07:07 AM   #18
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Originally Posted by jrd48 View Post
I replaced every outlet in my coach with home style outlets. Two had burned and discolored wires from poor connections. I would definitely replace outlets that you have high current devices plugged into.

Tks for the info.

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