I have a spliter that has 2 30 amp plugs that are wired to a 50 amp plug so I can plug into my motor home I was told that if I plug into 2 30 amp plug that I would get 50 amp to the RV? Has anyone ever done this? TOM

camp104 wrote:I have a spliter that has 2 30 amp plugs that are wired to a 50 amp plug so I can plug into my motor home I was told that if I plug into 2 30 amp plug that I would get 50 amp to the RV? Has anyone ever done this? TOMif your MH is internally wired for 30-amps then thats all you're gonna pull. but external appliances not regulated by the MH can be used off the post. but i gave never seen a post with 2-30 Mp. onnectiobs for the same site.

my MH is wired for 50 amp The lodge that I'm staying @ has 2 30 amp outlets and if none parks next to me I can use both plugs.

2 30A plugs wired correctly to a 50A receptacle will allow you to run as if connected to a 50A receptacle provided the 2 30A plugs are inserted into 2 separate 30A receptacles. There is one potential issue. Any 240V appliances you have may or may not work depending on how the 2 30A receptacles are connected to the campground mains.EDIT:Each 30A receptacle must have its own circuit breaker.

If you have a splitter with a 50A male plug and two 30A female sockets, you can use it to plug two 30A RVs into a single 50A outlet, and both will have ample power available (assuming decent campground infrastructure).If you have a combiner with a single 50A female socket and two 30A male plugs, in theory you can plug it into two 30A sockets and get more power than with a single 30A to 50A adapter. I personally would throw the Y cable out, however, as there are a number of potential problems inherent in the setup. It will not work if either of the sockets you're plugging into has a ground fault interrupter as it by design creates a ground fault. If one of the sockets has a poor or broken neutral connection and both are on the same phase you could have a substantially overloaded neutral connection on the other one. If one of the sockets is badly miswired with swapped neutral and hot leads, plugging it in will create a short circuit that (one hopes) trips the breaker on the power pedestal. There likely are other fault modes that could be dangerous.

camp104 wrote:my MH is wired for 50 amp The lodge that I'm staying @ has 2 30 amp outlets and if none parks next to me I can use both plugs.Keep in mind your 50A is 50A X 2 120V "sides" (really split phases). So a 50A is in reality 100A. Two 30A plugs do not do the same thing. You would at best have 50~55 amps of capacity (the 30A is derated) which is still much lower than the 100A your 50A rig is capable of.

30/30 pigtail | Good Sam Community

camp104
Explorer
Mar 20, 2017
Thank you everyone that has responded to my question I have learned alot. I have my Y hooked to 2 30 amp separate plugs and things are good. TOM
wa8yxm
Explorer III
Mar 17, 2017
rgatijnet1 wrote:
wa8yxm wrote:
You will not get full 50 amp service, and they only work when you have outlets that are NOT GFCI protected.. I have two places I can use mine, rest of the time it's a dust collector.

I think that you are thinking of the 30/20 amp adapters since the 30 amp outlets are not GFI protected.

No, I typed exactly what I meant.. I have been in 1.5 places where the 30 amp outlets are GFCI protected.. one was a Forest Service campground and the other (half) is a moose lodge.. At the lodge I pick two side by side outlets that are NOT GFCI and it works, but half the breakers are GFCI.. all the 30 amp breakers at the Forest Service place were GFCI.
Bill_Satellite
Explorer II
Mar 16, 2017
camp104 wrote:
I have a spliter that has 2 30 amp plugs that are wired to a 50 amp plug so I can plug into my motor home I was told that if I plug into 2 30 amp plug that I would get 50 amp to the RV? Has anyone ever done this? TOM

A direct answer to your question is that if you have a 50 amp coach then you have 50 amps of service available on each leg for a total of 100 amps.
The "cheater boxes) allow you to connect 2 30 amp plugs from a Y-connector and this will provide 30 amps one each leg for a total of 60 amps. So, if you have 2 30 amp plugs on separate circuits you will have much more power than would be available from a single 30 amp plug but not quite as much power as you would have if you were plugged into a 50 amp circuit.
As mentioned, neither plug can be connected to a GFCI circuit as this will cause the circuit to trip immediately. I have never seen a 30 amp plug with a GFCI circuit so if they are truly 2 separate 30 amp plugs you are good to go.
map40
Explorer
Mar 16, 2017
I have a 30-15 amp pigtail that feeds to the 50 AMP motorhome plug. It works as long as you don't have a GFCI outlet on the 15
rgatijnet1
Explorer III
Mar 16, 2017
wa8yxm wrote:
You will not get full 50 amp service, and they only work when you have outlets that are NOT GFCI protected.. I have two places I can use mine, rest of the time it's a dust collector.

I think that you are thinking of the 30/20 amp adapters since the 30 amp outlets are not GFI protected.
laurencestarr
Explorer
Mar 16, 2017
I just left Fort Yargo state park in Georgia. My pedestal only had two (separate breakers)30 amp sockets (no 50 amp socket) and two 15 amp sockets. I had the "Y" you are talking about and used the two 30 amp sockets. I ran everything in my RV as I would if connected to a 50 amp ckt. Everything worked fine.
You can only use 1 30 amp ckt if your pedestal is used by 2 different campsites as one is for you to use and the other is for the other campsite.
wa8yxm
Explorer III
Mar 14, 2017
You will not get full 50 amp service, and they only work when you have outlets that are NOT GFCI protected.. I have two places I can use mine, rest of the time it's a dust collector.
ScottG
Nomad
Mar 14, 2017
camp104 wrote:
Each 30 amp has its own circuit breaker.I can not use the other breaker if another RV pulls in I plugged in and my gen set says I am on 50 amp?

That means the two 30A's were on opposite sides of the panel just like 50A is and 220V was seen by your RV. It only knows it see's 220V and thus, assumes 50A. It doesn't really know how much current is available.
camp104
Explorer
Mar 14, 2017
Each 30 amp has its own circuit breaker.I can not use the other breaker if another RV pulls in I plugged in and my gen set says I am on 50 amp?
BB_TX
Nomad
Mar 14, 2017
Two 30 amp outlets connected via the Y adapter are well described above. But I have not stayed at any RV park that has had two 30 amp outlets specifically for one site. Maybe two 30 amp outlets on one pedestal to be shared between the two adjacent sites, in which case you could use both if no one was next to you. Don't expect that to be a common option.

More commonly the park pedestal will have a 30 amp outlet and a 20 amp outlet. The Y could use the 30 amp outlet and the 20 amp outlet (with a 30/20 adapter) to get a combined 50 amps, IF, and only IF, the 20 amp outlet is a non GFCI outlet. But codes now require the 20 amp outlet to be GFCI. So you are not likely to find a non GFCI 20 amp outlet except in an older park that has not upgraded.

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