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Old 07-10-2018, 08:52 AM   #15
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Originally Posted by Huey View Post
Another thought is to break the connection to one AC unit and install a pigtail using a short 12/3 extension cord cut in half. This allows me to run both AC units. Havenít tried a GFCI circuit yet. It might work being the ground wire will also be a separate run to the GFCI outlet. Use at your own risk. I do not accept any liability.
Just a question. When hooked up to a 50 amp do you have a hot male cord end?
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Old 07-10-2018, 09:11 AM   #16
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Quote:
Originally Posted by Huey View Post
Another thought is to break the connection to one AC unit and install a pigtail using a short 12/3 extension cord cut in half. This allows me to run both AC units. Haven’t tried a GFCI circuit yet. It might work being the ground wire will also be a separate run to the GFCI outlet. Use at your own risk. I do not accept any liability.
Adding the phrase "Use at your own risk." doesn't inspire a lot of confidence that what's being described is proper OR safe.
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Old 07-11-2018, 07:29 AM   #17
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Cheater box

Ahh...since I donít know how long a short circuit is. I think Iíll shy away from trying this.
Might work donít know.
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Old 07-11-2018, 02:58 PM   #18
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No, there is not a hot male end. The AC power just unplugs like your refrigerator does. The female side is connected to the original breaker. It give you a choice plug AC unit into camper or an external power source.
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Old 07-11-2018, 03:03 PM   #19
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The use at own risk is there because it really should be a 20 amp plug. Same for any way you try to cheat. Even the 120vac standard outlet at pedestal is 15 amp.
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Old 07-11-2018, 03:14 PM   #20
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I got one of those combiner pigtails 30-amp and 15-amp into one 50-amp plug. But I've never, ever, not even once found a campground I could use it at because of the GFCI on all 15-amp receptacles in an RV power pedestal.

When you start running 40' of 15-amp power cord to the campsite next door and connecting it to a 30-amp pigtail you've really crossed a line in campground etiquette.

Some of our favorite campgrounds don't offer 50-amp. We just don't visit them during the hot summer months when both A/Cs are needed. And, we make sure to tell them that we'd come more often if they upgraded their electrical service.
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Old 07-11-2018, 03:19 PM   #21
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We recently bought a MH that requires or has 50 AMP service. My question is and I'm sure it has been asked many times.

Will a cheater box work on the same electric panel breaker box mounted on a single campground site post that does not have 50 amp service but has a 30 and 20 amp service?

Mathematically it should work. Math I understand, electricity ahhhh.... different story.
https://rvshare.com/blog/rv-electrical/

little more ;

RV Electrical Systems

Pictures sometimes Help;

https://www.google.com/search?q=rv+e...tm-9xHKqU95qM:

Good Luck,

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Old 07-11-2018, 03:34 PM   #22
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Interesting discussion. Boils down to a 30+20 cheater cable may work - if the 20a is not GFCI protected and the 20a is truly a separate circuit. If it does work you have 30a on one leg and 20a on the other.
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Old 07-11-2018, 03:37 PM   #23
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There is currently a 13 page thread regarding this very subject on RV.net also. Some good discussion as to why this is not a good thing to do, and also some reasons and clarification as to why some RV park owners are no longer allowing it at all.

Beware: a lot of mis-information being thrown around by those that truly do not understand electricity and RV use.

The RV park owner participating in the discussion does a very good and in depth explanation of the details....along with possible consequences for the RV park, as well as his customers.
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Old 07-11-2018, 04:09 PM   #24
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Regarding the comment in the thread about modifying so you can plug one of your ACs or some other breaker fed item into a separate outlet, yes it works and is safe. You extend the romex between the breaker box and the load you want to optionally feed to a separate outlet so it loops thru some basement compartment with an AC power cord exit. The romex feeding power from the breaker ties to a female 15A socket and the romex feeding power to the load ties to a male 15A plug. Normally the two are plugged together and it works like it always did. When you unplug the load has its hot (H) and neutral (N) are totally isolated so H and N current from the 2nd outlet match exactly and you can plug the load into a GFCI with a 12/3 extension cord without tripping it. If you do this with a roof top AC chances are the ground will be isolated, too. But it does not have to be and it will still work and be safe.

30 to 45 Amp Shore Power Upgrade - Winnebago Owners Online Community
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Old 07-11-2018, 06:36 PM   #25
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We never have any issues using 30 amp service with 15k and 13.5k air conditioners even here in Florida. I simply turn off the breakers for WH & micro, and turn on each AC separately so both compressors do not start simultaneously. We camped for a week in 95 degree weather without issue. Coffee maker, televisions, and misc items were gtg, the only thing we could not do was run the DW’s hair dryer.

I will purposely book a 30amp site if it saves some money or provides a better view.
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Old 07-11-2018, 09:07 PM   #26
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We've been using one for 15 years. One particular campground that we stayed at every year, while boating, had long sites that faced each other had two power poles with two 30 amp receptacles on both poles, allowing for different length rigs. For almost ten years we used both 30 amp receptacles with a cheater.

Another local park we stay at has some old power poles. They have both 30 amp and 20 amp with no GFI.
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Old 07-12-2018, 05:15 AM   #27
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Another thought is to break the connection to one AC unit and install a pigtail using a short 12/3 extension cord cut in half. This allows me to run both AC units. Havenít tried a GFCI circuit yet. It might work being the ground wire will also be a separate run to the GFCI outlet. Use at your own risk. I do not accept any liability. Attachment 210129Attachment 210130
From a Really old Post - A/C Cheater - https://www.rv.net/forum/index.cfm/f...4.cfm#24144314

Just more info is always good, Has Pictures so is an easy read. -

What we do to Keep the DW Happy. - - - -

Just a Thought,
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