USW 12/3 Orange Triple Tap Extension Cords 25-ft 12 / 3-Prong Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
Hyper Tough 15FT 16AWG 3 Prong White Outdoor/Indoor Use Single Outlet Extension Cord, 13 amps - Walmart.com
3 Prong Extension Cords in Extension Cords by Prongs - Walmart.com