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Old 07-08-2016, 03:57 PM   #1
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20 amp wiring to post

Many parks now have a 110/15A plug at the post. My trailer is rated at the normal 30A. Has anyone wired in a separate 110/20A plug wired to an outside plug for the post? Then used a 110v/15A extension chord. I was wanting to do this in order to use toaster or heater that would not use my regular 30A system.

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Old 07-08-2016, 04:26 PM   #2
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Depends on how the pedestal is wired.
If there is also a 50amp breaker, you will be fine.


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Old 07-08-2016, 04:40 PM   #3
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If the have a 15 or 20 amp receptacle along with a 30 and/or 50 amp one there should be no problem.

Each receptacle will have a breaker and the ability to supply it's rated power.
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Old 07-08-2016, 04:55 PM   #4
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I've used that aux. pedestal plug for numerous functions at times with varied results.
Depending on the capabilities of the CG pedestal wiring and it's capacity. Most often (50A pedestal) that circuit being on it's own breaker has enough capacity and works great. * be advised that this circuit could be fed off the other leg of a 240V circuit and could provide a higher potential if mixed with your coach's system.
On occasion in older CG's the aux. 15-20A breaker feeds off the top of the 30A breaker and shares the over all capacity available on that branch circuit (30A) it could trip the branch.
Heated water hose, crock pot slow cooker, aux. space heater, I typically use it for my hotdog air compressor while servicing my tires.

One 30A trailer we had, I'd installed an isolated aux. receptacle [GFI]/ j-box on a #10AWG drop cord for the purpose of using a space heater /toaster oven. It fed through the basement - water heater bulkhead into the galley and worked quite well.

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Old 07-08-2016, 05:09 PM   #5
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I often use the aux 120vac plug in the pedestal for outside lights, power tools, etc.
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