30/30 pigtail
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 ev...
Forum Discussion
rgatijnet1 wrote:
Depends on how things are wired as to what you get at your MH. If there are only 2-30 amp plugs on the pedestal, I would suspect that it is wired for 120 volts and NOT the 240 volts that a normal 50 amp outlet would have. With 50 amps pedestal plug you have 2-50 amp legs that are out of phase with each other and you will have a total of 100 amps available at your main electrical panel.
If the 2-30 amp plugs are in phase and are both tied to one 120 amp supply line, the most you will have available to your main electrical panel is 60 amps or 30 amps on each hot leg of the 50 amp plug.
Now if the pedestal is wired with a 240 volt feed, and both hot lines are split and connected to 2-30 amp pedestal plugs, then you would still only have 60 amps total available at your MH since each leg is limited by the 30 amp circuit breaker.
Technically, the two legs are not out of phase with each other and are considered a single phase. They are split phase and utilize a center tap of the transformer to get the 240V. They are essentially a continuation of the same phase to each other.
Split phase power
Sorry for the Cliff Clavin moment. :B
