Male L5-30P, 3 Prong Locking Plug TT-30P, 3 Prong RV Plug SS2-50P, 50A Locking Plug SS2-50P, 50A Locking Plug 2xL5-30P, 3 Prong Locking Plug L5-30P, 3 Prong Locking Plug L5-30P, 3 Prong Locking Plug. Applications 30A Splitter for RV/Generator 30A RV to 30A Locking Socket 50A 250V to 30A 125V 50A 250V to 2X 30A 125V 30A Power Combiner -> 50A Boat 30A Locking Plug to 30A RV Generator to 110V household.