If you are having a 50A service installed at your house, here is a good read for your knowledge to ensure the installation is consistent with a RV 50Amp service (4 wire, NEMA 14-50R)as opposed to the old "household dryer" 50A service (3 wire, NEMA 10-50R), or welders 50Amp (3 wire, NEMA 6-50R)...