USW 12/3 4 outlet Portable GFCI 3-ft 12 / 3-Prong Indoor/Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
GFCI Inline Power Extension Cord | 3 Outlets - 50 FT Cord - Walmart.com
Amazon.com: EP 3 Ft Lighted GFCI Extension Cord with 3 Electrical Power Outlets - 12/3 SJTW Heavy Duty Yellow Pigtail Extension Cable with 3 Prong Grounded Plug for Safety, UL Listed : Tools & Home Improvement
ELEGRP 2 ft. 15 Amp In-Line Self-Test Manual Reset Portable GFCI Plug with 3-Outlet Cord, Yellow G20CM-2FT - The Home Depot