ALEKO RV30-25M 25' 30AMP 3 Wire RV Cord with Detachable Receptacle Male Plug with Handle This high quality power cord is made with three 10 gauge and 100% copper wires 25' extension cord, and this cord UL and CSA approved 30 amp locking female end and 30 amp standard male end The connector has a twist-lock connector body and a weather-proof boot with a threaded ring