Shop Nilight 30Amp to 50Amp RV Power Adapter 4Prong Generator Twist Plug L14-30P to 14-50R 30A Male Plug to 50A Female Receptacle for RV Generator Camper Caravan Electrical Power Converter in high quality, support 2 years warranty. 30 Amp 4 prong male plug to 50 Amp female receptacle. Allows you to connect from a 30AMP external receptacle at RV Park or Campground to a 50 AMP service on your RV. Intended for connecting to a generator by RV cord when you do not have a generator cord.