ELEGRP 2 ft. 15 Amp In-Line Self-Test Automatic Reset Portable GFCI Plug with 3-Outlet Cord, Yellow G20CA-2FT - The Home Depot
POWER FIRST, 50 ft Cord Lg, 15 A Max. Amps, Line Cord GFCI - 11X434|11X434 - Grainger
Amazon.com: GREATIDE 3 Ft Outdoor GFCI Lighted Extension Cord with 3 Power Outlets, 15 Amp 12/3 SJTW Heavy Duty Yellow Pigtail Extension Cable with 3 Prong Grounded Plug for Safety, UL Listed :