Connects a 30A RV cord (TT-30 plug) to a standard 15A household outlet (5-15 receptacle) for light-duty charging or testing. Constructed from impact-resistant molded thermoplastic for lasting strength and safety. Round ergonomic body provides a comfortable grip and easy plug-in handling. Solid brass blades and terminals deliver excellent electrical conductivity and reduced heat buildup. Ideal for indoor or covered outdoor use, including RV parks, garages, and workshops.