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jenandjon

adding second AC unit

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I have an old 33ft Jayco. I want to add a second unit over the bedroom. On hot days the one just don't keep up. My trailer 30 amp and is not wired for a second unit. So, I will have to get a second plug on the camper somewhere. I know I will have to run a separate cord to the pole. No problem there. My main unit is a Coleman max. The second unit is also a Coleman so they will match. The second one has  the controls on the unit so no need for a second thermostat. I just cant figure out how I am going to run a wire across the ceiling and down the wall and outside. Without it falling down or looking too trashy. Conduit? PVC pipe? Height is not an issue either. I'm only 11 ft 6.

I want to use something like this for the plug. Id like to find a 20 amp outlet. This one is only 15.  https://www.homedepot.com/p/Leviton-15-Amp-125-Volt-Straight-Blade-Grounding-Power-Inlet-Outlet-Gray-001-05278-CWP/301304898?cm_mmc=Shopping|G|Base|D27E|27-2_WIRING_DEVICES|NA|PLA|71700000034239053|58700003946878363|92700031954447748&gclid=EAIaIQobChMInOWNtaS54wIVh5-fCh1_AwaOEAQYASABEgKS0fD_BwE&gclsrc=aw.ds

I am not going to work on it until this winter. Right now I'm just bouncing ideas around.

 

We are actually going to do 2 campers. My brother is adding a second unit to his also. BUT his is a 50 amp and is pre-wired . We are going to do his first.

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Found this on your link's page  https://www.homedepot.com/p/Leviton-20-Amp-125-Volt-Straight-Blade-Grounding-Inlet-Outlet-Gray-15378-CWP/301304864?MERCH=REC-_-PIPHorizontal2_rr-_-301304898-_-301304864-_-N

2 hours ago, jenandjon said:

I just cant figure out how I am going to run a wire across the ceiling and down the wall and outside. Without it falling down or looking too trashy. Conduit? PVC pipe? 

Do you mean to use something like this  https://www.homedepot.com/p/3-ft-Cable-Cover-with-Adhesive-Backing-33636/306838777 

     Spot

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jenandjon, three is "Wire Mold" which I think is the correct product name at HD, Menards, and Lowes. It is metal and you can fasten it to the ceiling and side wall with screws. You run single wires thru it. Then snap cover on. They have all sorts of fittings, 45, 90, etc. for corners. I've seen it in both beige and white.

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Check the amperage ratings on the new unit. Make sure the wire , outlets,  plugs etc are all rated for what the potential of the units draw. If you're running wire inside the wire mold looks better than emt,  flex, or PVC conduits and comes in different sizes to accommodate the wire and either plastic or metal. It can be painted.  Anything outside should be PVC and wire, outlets etc rated for wet locations 

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Be sure to include an appropriately sized fuse or circuit breaker where the second feed comes into the RV.  Yes, it will be protected by the pedestal's breaker if you plug it into a 15 or 20 amp outlet.  But it won't be if someone uses an adapter to plug into a 30 or 50 amp feed.

Edited by Lou Schneider

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17 hours ago, bobsallyh said:

jenandjon, three is "Wire Mold" which I think is the correct product name at HD, Menards, and Lowes. It is metal and you can fasten it to the ceiling and side wall with screws. You run single wires thru it. Then snap cover on. They have all sorts of fittings, 45, 90, etc. for corners. I've seen it in both beige and white.

Yes I think that will work. I couldn't remember what to call it. I worked with a similar product some 20 years ago. It was pretty cheap and didn't work well. I googled it and checked the link $Spot gave me. It looks like a much better product than it was before.

 

15 hours ago, Lou Schneider said:

Be sure to include an appropriately sized fuse or circuit breaker where the second feed comes into the RV.  Yes, it will be protected by the pedestal's breaker if you plug it into a 15 or 20 amp outlet.  But it won't be if someone uses an adapter to plug into a 30 or 50 amp feed.

That is a good idea.

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