Utilitech Indoor 8-ft 16 / 3-Prong Indoor Spt-2 Light Duty Flat Plug Extension Cord in the Extension Cords department at Lowes.com
8 AWG 3 Heavy Duty Welder 250V Extension Cable
Extension cords for 110-120v outlets recommendations : r/TeslaModel3
Amazon.com: Power Cord Pigtail 16 AWG 3 Prong 12 Foot Open End 3 Wire Heavy Duty SJT 16 Gauge Power Supply Cord 120V AC NEMA 5-15P, Replacement Power Cable 13A, 1625W at