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Old 06-25-2020, 11:28 AM   #21
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Another possible option is to buy one of those "cheater adapters" that plugs in the 30 and 15 amp outlets and converts to 50 amp. I have one of those, but my RV or EMS doesn't like the GFCI outlets... I have only been able to use it one time. In defense... I camp mostly in Arkansas and most of them are 50 amps.
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Old 06-25-2020, 11:42 AM   #22
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I will need to run both acís and can only get 30 amp. Someone suggested I get a splitter. Two 30amp male that then connects to 50 amp. So I will be plugging into two 30 amps for my 50 amp needs. Does anyone have experience with this or thoughts
Yes, that will definitely work. You will likely be able to also run the fridge as well. Plugging in two 30ís will net you 7200 watts at 120v. A pair of 15k AC units will pull around 4000 and the fridge about 800. Inrush current from starting will be about 1.7 times running power consumption. It is highly unlikely all three appliances will start simultaneously. Been there and done it.
Now, if the park power is <120v the current will increase for the same Kw consumption. Get down to 110v and there is less room for error.
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Old 06-25-2020, 11:47 AM   #23
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Keep in mind.... you are going to need TWO sources of 30a power to make this work. You'll likely have to pay for two sites as you sure wouldn't want to rob your neighbor of any of their power at their pedestal.

Something we have done on limited electrical power is simply run one air conditioner and place a good fan on the floor near it, blowing cooler air (cold air falls) towards the opposite end of the R/V.

We've never had an issue using one A/C and a fan on 30a power and it has kept things comfortable.

No you don't. Each leg of a 50A plug can be used independently to create (2) 120V 50A sources.
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Old 06-25-2020, 02:04 PM   #24
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Originally Posted by Iwannacamp View Post
Another possible option is to buy one of those "cheater adapters" that plugs in the 30 and 15 amp outlets and converts to 50 amp. I have one of those, but my RV or EMS doesn't like the GFCI outlets... I have only been able to use it one time. In defense... I camp mostly in Arkansas and most of them are 50 amps.
Iwannacamp, if you will read on the package for that particular cheater adapter you are referring to, they state they cannot be used with a gfci outlet, which most campground 15/20 amp outlets are

It has to do with the way 120/240 volt split phase service works, and the shared neutral line, which carries the imbalance between the legs. I have provided several posts on this previously. I'll send you one later
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Old 06-25-2020, 02:36 PM   #25
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No you don't. Each leg of a 50A plug can be used independently to create (2) 120V 50A sources.
Maybe I misunderstood something posted as I know all about the two legs on a 50a service.

I'm pretty sure we were talking about a 50a female to TWO 30a male adapter so my point was you DO need TWO 30a outlets to plug into to get both legs powered up.

If there is only a single 30a outlet in the box, (which the poster said) they are going to need to plug the 2nd half of the adapter in somewhere. My thought for the 2nd connection was a pedestal from the next site over and hence the comment about stealing the neighbors power or paying for it if the site is empty.
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Old 06-27-2020, 08:02 PM   #26
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Iwannacamp, if you will read on the package for that particular cheater adapter you are referring to, they state they cannot be used with a gfci outlet, which most campground 15/20 amp outlets are

It has to do with the way 120/240 volt split phase service works, and the shared neutral line, which carries the imbalance between the legs. I have provided several posts on this previously. I'll send you one later


10-4. It prolly was.
Instructions? I donít need no instructions.
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Old 06-27-2020, 08:25 PM   #27
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No you don't. Each leg of a 50A plug can be used independently to create (2) 120V 50A sources.
If he had a 50 amp plug he wouldn't be trying to rig two 30 amp plugs to run his 50 amp camper!
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Old 06-28-2020, 01:10 PM   #28
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10-4. It prolly was.
Instructions? I donít need no instructions.
Double negative which makes it a positive. Thus you need some instructions.
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Old 06-28-2020, 01:25 PM   #29
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Another possible option is to buy one of those "cheater adapters" that plugs in the 30 and 15 amp outlets and converts to 50 amp. I have one of those, but my RV or EMS doesn't like the GFCI outlets... I have only been able to use it one time. In defense... I camp mostly in Arkansas and most of them are 50 amps.
This may not be such a great idea as many 30 pedestals ( and the wiring to them) are protected upstream by a 30A breaker. That breaker is usually in a locked building at the campground meaning park staff will need to come and reset it.
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