ParkPower Marinco (150SPPRV) Pigtail Adapter 15A 125V straight-blade with locking screw (male plug) to 50A 125/250V 3-pole, 4-wire locking (female side) Pigtail Adapter Allows the connection of standard RV cordsets to various electrical receptacles or cords that have a dissimilar power configuration LED power-on indicator Thumb grip locator Includes threaded and easy lock ring ParkPower by Marinco Twist Lock Adapter 50 Amp locking connector with 15 Amp straight blade plug Comfort grip connector Easy Lock system Includes threaded ring, Allows coaches with 50 Amp locking service to connect to household power, Female 50A, 125/250-V 3-pole, 4-wire locking to male 15A 125-V