Champion Power Equipment 50-Amp RV Generator 30-ft / 1 3-Prong Outdoor Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
Conntek NEMA 14-50 50 Amp RV / Generator Extension Cord
Sportsman CORDE5025 25 Ft. 125 Volt 50 Amp Extension Cord | JB Tool Sales
VEVOR 50 ft. 50 Amp RV Extension Cord Premium Power Cord RV Wire Diameter Extension Cord 6 Wire Gauge RV Cord HJLJQ50FT50A6HX01V1 - The Home Depot
VEVOR RV Power Extension Cord 50 ft. 50 Amp Generator Cord N14-50P to SS2-50R General Purpose Cord Heavy-Duty Twist Lock UL HJLJQYT50X50DSK01V1 - The Home Depot
BENTISM 50ft RV Extension Cord Power Cord 50Amp NEMA 14-50R/NEMA 14-50P ETL Listed - Walmart.com