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Old 06-18-2016, 08:26 AM   #11
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Yes, I would be hesitant to recommend to anyone that it is "safe" to run the air conditioner when plugged into a 15 amp outlet, even not knowing all the variables that could come into play.

My air conditioner is on it's own individual 20 amp circuit breaker inside the trailer. There is a reason it is sized that way.
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Old 06-18-2016, 08:45 AM   #12
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When you say no problem, that is based on so many variables that are lining up, with or without knowing the sequence of events that are occuring. Your use in that manner, is at or near the extreme limit of the receptacle. So, the "wow, I can't believe that happened" moment is pretty close. Periodically check the plug connection for any buildup of heat. Also, RV plug ends tend to become either dirty or excessively tarnished over time, due to the duty enviroment they encounter. That, if not monitored, will melt something in short order. Just sayin'
Well, in my case, I have a 25 ft "garden variety" (flat 3 wire) extension cord plugged into the garage outlet. The other end is plugged into my 50 ft reel cord on the ceiling of the garage. Then I plug in my "$3" adapter, then the 25 ft TT cord. As I said, no problems so far. And I do check the temperature of the extension cord, outlet, reel, and TT cord. So that's 100 ft of extension cord. They have not even gotten warm.

The AC doesn't really pull much more than a 1500 watt heater.

Walmart, Lowe's and Home Depot are full of window AC units of 12K to 15K that plug right into home outlets. Here's a 15.1K one:

Frigidaire FFRE1533S1 15,100 BTU 115V Window-Mounted Median Air Conditioner with Temperature Sensing Remote Control - Walmart.com

As I said before, I don't run much else. I'm not trying to heat water or run a toaster or make coffee.

Just sayin'
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Old 06-18-2016, 09:00 AM   #13
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Wall shaker ACs have a very short cord, extension cords will work if they are a heavy enough gage wire. If you are going to run off less that a 30 amp outlet best if your RV power cord is plugged directly into the source with a residential adapter. I burned up the AC on my class A using an extension cord. New (as in age) will tolerate low voltage better then old ACs but still may die. JMHO
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Old 06-18-2016, 09:40 AM   #14
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Besides running the residential fridge, it will also keep your batteries charged. Congrats on the new rig! Remember, the only stupid question is the one you don't ask. We've all been there at one time!
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Old 06-18-2016, 02:38 PM   #15
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Well, in my case, I have a 25 ft "garden variety" (flat 3 wire) extension cord plugged into the garage outlet. The other end is plugged into my 50 ft reel cord on the ceiling of the garage. Then I plug in my "$3" adapter, then the 25 ft TT cord. As I said, no problems so far. And I do check the temperature of the extension cord, outlet, reel, and TT cord. So that's 100 ft of extension cord. They have not even gotten warm
Um, OK. I going to watch Forest Gump tonight, what was that gem of wisdom Forest's Ma Ma said!
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Old 06-21-2016, 05:38 PM   #16
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The 233s Root I have uses a 30amp cord. I suspect your camper will use that size as well
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Old 06-21-2016, 06:00 PM   #17
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"Honey.... what is that smell?"..... "that, my Love, is the extension cord melting because you had to run the AC and all the lights..... and then you opened the fridge door..."
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Old 06-22-2016, 08:21 AM   #18
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I put in the 30amp outlet and use a 100ft and a 30 ft plus the 20 or 25 ft from the camper cord. I put the power management system in and get good readings from the outlet. I have run pretty much everything at the same time except the microwave and have had no problems. With nothing on the readings on the PMS are 1 A, 60 H and 120. When I put just the 15K A/C on it goes to about 4 A. I do have the heavy duty 30amp cords.
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Old 06-22-2016, 08:45 AM   #19
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With nothing on the readings on the PMS are 1 A, 60 H and 120. When I put just the 15K A/C on it goes to about 4 A. I do have the heavy duty 30amp cords.
Either this is with just the fan motor running ( before the compressor kicks in) or your EMS is bad. The compressor draws about 12-13 A after startup.
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Old 06-22-2016, 08:50 AM   #20
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I am sure you are right. The family is going camping next week and I will pay closer attention to it. I just remember checking it one day and didn't pay much attention to the pump - I just knew it was cool in there.
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