NEMA 6-20P to 14-50R 240V 20 Amp 3 Prong Male Plug to 50 Amp 4 Prong Female Receptacle Generator Dryer EV Charger Only for Device 240V Cable Adapter

ONETAK NEMA 6-20P to 14-50R 240V 20 Amp 3 Prong Male Plug to 50 Amp 4 Prong Female Receptacle Welder Generator Dryer EV Charger Power Cord Adapter Connector

Saysurey NEMA 6-20 Extension Cord, NEMA 6-20P Male Plug to 6-20/6-15R Female Receptacle, 20 Amp T-Blade Outlet Extension Power Cord with Waterproof Sockets, Heavy Duty 12 AWG, 250V, 5000W(50 ft)