Shop Nilight 50 Amp to 30Amp RV Power Adapter Plug Electrical Outlet Box Plug 14-50P to TT-30R 50A Male Plug to 30A Female Receptacle for RV Camper Caravan Electrical Power Converter in high quality, support 2 years warranty. 50 Amp male plug to 30 Amp female receptacle. Allows you to connect from a 50AMP external receptacle at RV Park or Campground to a 30 AMP service on your RV. A Must-Have easy power conversion, 30Amp service is unavailable in many campgrounds.