Amazon.com: RVGUARD 3 Prong 30 Amp 100 Foot Generator Extension Cord, NEMA L5-30P/L5-30R 125V 10 Gauge SJTW Generator Power Cord with Cord Organizer, ETL Listed : Automotive
Parkworld 885613
Amp Up Marine & RV Cords TT-30 30a x 75' Extension Cord, UL Listed, 30 Amp x 75 ft, For RV Campers, Motorhomes, Generators - Walmart.com
AC WORKS 10 ft. STW 10/3 NEMA 10-30 3-Prong 30 Amp Heavy Duty Thick Dryer Extension Cord 1030PR-010 - The Home Depot
Champion 250-Volt Generator Extension Cord | BJ's Wholesale Club
Houseables Generator Extension Cord, Electric Wire, 3 Prong, 30 Amp, 250 Volt, Single, Black, 25 Ft, All Rubber, 10 Gauge, Heavy Duty, L6-30, Commercial, Electrical Power Cable, with Locking Switch - Amazon.com
NEMA 6-30 Extension Cord for Level 2 EV Charging (30A, 250V) - www.americancableassemblies.com