TruePower 20-2020 30' 50 Amp RV Power Cord with Twist Lock Locking Connector (6/3+8/1) Heavy duty solid copper wire AWG #6(3) #8(1). ETL Certified 4 conductors , Use with camp power pedestals, generators, or marine shore power outlets to convert from straight blade to twist-to-lock. 50A NEMA 14-50P straight blade male plug body with grounding pin 50A NEMA SS2-50R female Twist Lock receptacle 30 foot in length