AC WORKS 25-ft 10 / 4-Prong Indoor/Outdoor Stw Heavy Duty Appliance Extension Cord in the Extension Cords department at Lowes.com
14/3 Gauge, 100 ft SJTW w/ Lighted End Contractor Grade Extension Cord
GearIT 4-Prong 250V 50A RV & Camping Outdoor Power Cord Extension, 30 ft - Walmart.com
GoGreen Power 4 ft. 6/2 and 8/1 3-Wire Range Cord GG-27004 - The Home Depot
Amazon.com: GearIT 50-Amp Extension Cord for RV and EV (30 ft) 4-Prong 250-Volt, Tesla Model 3/S/X/Y, NEMA 14-50P to 14-50R 6/3, 8/1 STW AWG Gauge Outdoor Auto Power Cord - 30 Feet :
Amazon.com: GearIT 50-Amp Extension Cord for RV and EV (100 Feet) 4-Prong 250-Volt, Tesla Model 3/S/X/Y, NEMA 14-50P to 14-50R 6/3, 8/1 STW AWG Gauge Outdoor Auto Power Cord : Tools &
6 Ft Outdoor Extension Cord with 45° Angled Flat Plug | eBay