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Old 04-09-2022, 01:01 PM   #1
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30 amp male to 25 amp female converter.

Last year we had a second AC unit installed on our class c. When installed they use a separate 15 amp cord to power the AC. Problem is that several of the parks do not have a plug for a 15 amp cord. I have not been able to find a converter plug from 30 amp male to 15amp female. I have seen some advertised but they do not have the sidewise plug. Do they make a converter plug ?
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Old 04-09-2022, 07:54 PM   #2
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Seems like your situation is not normal, so you would need to make your own adapter.

If you are trying to run 2 AC units off of 30 amps without a hybrid inverter or soft starts you definitely need to minimize other power usages. And you still may have issues with blowing the breaker on the poll.
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Old 04-09-2022, 08:08 PM   #3
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If one blade on your cord is at a right angle to the other , then you have a 20 amp cord , not 25 amp .

I haven't seen a 30 amp to 20 amp adaptor , so as mentioned you're probably going to have to build your own .

As pictured a 20 amp outlet will accept either a 15 or 20 amp cord .
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Old 04-09-2022, 08:17 PM   #4
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Here you go.

https://www.harborfreight.com/30-amp...xoCzyYQAvD_BwE
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Old 04-09-2022, 08:21 PM   #5
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When you mention the "sidewise" plug, I am assuming you're talking about the blades of the plug. If one is sideways, instead of both being parallel, it is a NEMA 5-20. That is a 20 amp. 120 volt plug. Google search for 30amp 120 volt RV to NEMA 5-20 adapter.
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Old 04-10-2022, 01:37 AM   #6
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You have another problem. If there is no separate 15/20 amp outlet, you still need a second electrical outlet to plug the separate a/c power cord into. I am not vastly experienced, but I have never seen an electrical post with dual 30 amp outlets. You need some kind of splitter rig to get the second outlet. Here are some options--

-Leisure Cords 24'' RV Y Adapter Cord 30 Amp Male Plug to Two 30 Amp Female 2.5 Feet with Handle
-Conntek 14103 TT-30P to 15/20A Plug Adapter, Black

I am also not an electrician, but the smart electrical people will tell you to be very careful ganging together too many cords, adapters & plugs.

Good luck-
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Old 04-10-2022, 02:13 AM   #7
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This is a slippery slope. Example using the Harbor Freight adapter or any other adapter puts your 15 or 20 amp appliances on a 30 amp breaker. If something goes wrong it could be a fire or shock hazard.
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Old 04-10-2022, 04:08 AM   #8
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How about going about it the other way, and converting the AC plug to 30 amp male. 30 amp code ends are readily available, and if you need to convert from either 20 amp or 50 amp those pigtails are readily available also.
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Old 04-10-2022, 07:05 AM   #9
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Your RV has 30A electric service ( assuming that from a quick Google search).

What I suggest is a 50A male plug with dual female 30A connectors.

Each 30A connector on the Y is on a separate leg of 110v of the 50A plug.

Of course you'll be restricting yourself to 50A sites if you want to use both A/Cs.
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