Amazon.com: 12AWG Heavy Duty Extender AC Plug Adapter [4-in-1], 15 Amp Household to 20 Amp T Blade Power Extension Cord, 1FT/32CM 12AWG Nema 5-15P to 5-20R/6-15R/ 6-20R, 15A 125V to 20A 250V
Bergen Industries 100 ft. 12/3 SJTW 15 Amp/125-Volt Outdoor Triple Tap Extension Cord, Yellow OC1001233T - The Home Depot
Manufacturer Base Extension Cord Triple Outlet NEMA 6-15P 15 Amp 250 Volt AC Custom Long Power Cords, UL Listed - Cablesgo
Bergen Industries 25 ft. 14/3 SJTW 15 Amp/125-Volt Outdoor Single Receptacle Extension Cord, Orange OC25143 - The Home Depot