30 amp 240 volt mistake!!
I recently bought a 2018 Rockwood 5th wheel with a 50 amp service. I have a 240 v 50 amp outlet in my RV cover that I’ve used for years to plug my motorhome into. Since I still have my motorhome and i...
Forum Discussion
cavie wrote:BB_TX wrote:
If you used a standard 50/30 dogbone adapter be aware that the adapter connects both hot legs of the coach together. Meaning you put 240 on both hot legs, not just one.
You can not put 240 volts down both legs. A 30/50 adaptor takes the one 30 amp 120 volt leg and puts that 120 volt leg on the 2 120 volts legs of the 50 amp cord. 120 volts @ 30 amps down both legs.
A 50/30 adaptor takes just 1 50 amp leg and put in down the 1 hotleg of a 30 amp cord.
you can not get 240 volts on one leg of a service in the US and Canada. That only happens in european countries.
An adapter to connect a 50 amp RV to a standard 30 amp outlet connects the 30 amp hot leg to BOTH of the 50 amp RV hot legs. The two hot legs are connected internally in the adapter. Otherwise if you connected a 50 amp RV to a park 30 amp outlet you would only have 120 vac to half the RV. And that just ain’t how it works. And that type adapter is what he said he used. I said 50/30. Thank you for the correction to 30/50.
