ParkPower One Piece Adapter 50A Male To 30A Female. They feature heavy-duty weather resistant construction in a compact unbreakable PVC housing. Designed with UV resistant properties. Features of ParkPower 5030RVSA One Piece Adapter 50A Male To 30A Female Connects 30A RV power cords to a 50A RV power source One-piece unbreakable PVC housing Heavy-duty weather resistant construction UV stabilized Package Contents: ParkPower 5030RVSA One Piece Adapter 50A Male To 30A Female ParkPower 5030RVSA: One Piece Adapter 50A Male To 30A Female