Straight-Blade Adapter with One 50A 125/250V 3-Pole, 4-Wire Connector and One 30A 125/250V 2-Pole, 3-Wire RV Use Only Male Plug
When you're on the road, you don't want to worry about how you will get
power to your RV, you just want to be able to start using it. That's
why ParkPower straight blade adapters are designed to make a reliable
connection quickly, easily and safely using features you won't find on
other power adapters.