Conntek 14370, 30 Amp Standard RV Plug Pigtail Adapter to 50-Amp Straight Blade Connector Plug (Male): NEMA TT-30P (RV 30 Amps, 125 Volts) Receptacle (Female): NEMA 14-50R, 50-Amps, 125/250-Volts Maximum Wattage: 3,750 Watts Safely converts standard RV outlet to a 50 Amp Locking inlet Unique elbow style allows for maximum strain relief