GearIT 125/250-Volt 4-Prong Male to Female 30 Amp Extension Cord for Dryer and Level 2 EV Charger, Green 50 ft. - Walmart.com
Amazon.com: Cable Matters 4 Prong Replacement 50 AMP RV Power Cord, Generator Extension Cord/Generator Power Cord (NEMA 14-50P to 4 Wire) - 25 Feet : Automotive
Upgraded Nema 14-50P 4 Prong Splitter Fit for 14-50R Female Receptacle, 3FT 14-50 Y Splitter Plug Extension Cord Adapter 50A Four-core Tee Wire, Compatible EV RV Dryer Welder Generator Etc. - Amazon.com
Amazon.com: 30 Amp 4 Prong Generator to Power 50 Amp RV,Extension Power Cord RV Generator Adapter NEMA L14-30P 30 Amp 4 Prong Male Locking Plug to 14-50R 50 Amp Female Outlet, Load
AC WORKS 10 ft. L14-30P 30 Amp 4-Prong Locking Plug to CS6364 50 Amp Connector Temp Power Cord TEL1430-010E - The Home Depot
Amazon.com: Connecticut Electric 50 Foot Generator Power Extension Cord, 50 Amp, 4 Prong, NEMA 14-50P to SS2-50R (CS6364) : Patio, Lawn & Garden
parkworld 10 ft. Generator 30 AMP 125/250-Volt 4-Prong Locking Plug L14-30P to 50 AMP 125/250-Volt SS2-50R(CS6364) Adapter Cord 62176A - The Home Depot
AC WORKS 50 ft. 10/4-Gauge 30 Amp 125-Volt/250-Volt NEMA 14-30 4-Prong Dryer Heavy-Duty STW Extension Cord 1430PR-050D - The Home Depot
Amazon.com: GearIT 50 Amp RV/EV Extension Cord (75 ft) 4-Prong 250-Volt, Compatible with Tesla Model 3/S/X/Y Mobile Charger, NEMA 14-50P to 14-50R 6/3+8/1 STW AWG Gauge Outdoor Waterproof Power Cable - 75
SEEUTEK 25 ft. 10/4 50 Amp Generator Extension Cord 4 Prong 125-Volt Indoor/Outdoor Extension Cord L14-50 with Lighted End Black BZ-1402 - The Home Depot
SEEUTEK 25 ft. 10/4 50 Amp Generator Extension Cord 4 Prong 125-Volt Indoor/Outdoor Extension Cord L14-50 with Lighted End Black BZ-1402 - The Home Depot
Amazon.com: GearIT 50 Amp RV/EV Extension Cord (15 ft) 4-Prong 250-Volt, Compatible with Tesla Model 3/S/X/Y Mobile Charger, NEMA 14-50P to 14-50R 6/3+8/1 STW AWG Gauge Outdoor Waterproof Power Cable - 15
30FT 36FT 4 Prong Replacement 50 AMP RV Power Cord (NEMA 14-50P to 4 Wire) | eBay
VEVOR 15 ft. 6/3 plus 8/1 Extension Cord Indoor/Outdoor Generator Power Cord STW 50 Amp 4-Prong UL Listed No-pin Type FDJYCX15FTX50AWCZV1 - The Home Depot
20FT 14-50P to SS2-50R 120V/240V 50 Amp Stow W/L14-30P to 14-50R Power — ONETAK
AC WORKS 25ft L14-30P to SS2-50R Cord 25-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com