Superior Electric RVA1556 Generator Extension Cord 30 Amp 4 Pole SJTW 10AWG/ 4, 25ft
Leisure Cords RV Generator Adapter with 30 Amp 4 Prong Locking Male Plug to RV 30 Amp Female Standard Connector (4-Prong) - Walmart.com
AC WORKS 1.5 ft. 14-30P 30 Amp 4-Prong Dryer Plug to 30 Amp RV 10/3 Extension Cord Adapter RV1430TT-018 - The Home Depot
parkworld 50 ft. 10/4 STW 30 Amp 4-prong Dryer Heavy-Duty NEMA 14-30 Extension Cord 886092 - The Home Depot
30 Amp EV and Dryer Extension Cord, 4 Prong NEMA 14-30P to 14-30R 125/250V | eBay
AC WORKS 1.5 ft. L14-30P Generator 4-Prong 30 Amp Plug to (4) NEMA 5-15/20R 20 Amp Household Female Connectors Adapter Cord L1430F520-018 - The Home Depot
Amazon.com: RVMATE 30 Amp Generator Cord 4 Prong 10 Feet, NEMA L14-30P/L14-30R, 125/250V Up to 7500W 10 Gauge SJTW Generator Extension Cord, ETL Listed : Patio, Lawn & Garden
PlugSaf 35FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Green ETL Listed - Yahoo Shopping
4 Prong 30-AMP 10-Feet 250-Volt Generator Extension Cord NEMA L14-30p to L14-30r Generator Power Cord for Manual Transfer Switch, Portable Generators - China Locking Power Cord L14-30p L14-30r | Made-in-China.com
Leisure Cords NEMA L14-30 4 Prong Locking 30 Amp Generator Extension Cord, 50 ft | eBay
Amazon.com: Houseables 30 Amp Generator Cord 4 Prong, Extension Generator Cable, 10 FT, 125-250v, 7500 Watt Max Rating, UL CUL, NEMA L-14-30P, Rubber, 10 Gauge, Heavy Duty, L14-30, Transfer, Twist Lock Power