parkworld 10 ft. SJTW 12/3 20 Amp 250-Volt NEMA 6-20 Indoor/Outdoor Extension Cord
Laird SSPC20A-100 Stage Systems Heavy Duty 20-Amp 12/3 AC Power Extension Cord w/ Quad Box - 100 Foot
HDX 9 ft. 12/3 20 Amp 250-Volt Air Conditioner Extension Cord, Grey HD#188-327 - The Home Depot
Utilitech 9-ft 12 / 3-Prong Indoor Spt-3 Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
6FT L6-20 20A 250V EXTENSION CORD - BLACK - www.americancableassemblies.com
Amazon.com: Parkworld NEMA 5-20 Extension Cord 5-20P to 5-20R (T Blade Female Also for 5-15R Adapter) 125V, 20A, 2500W (16FT) : Tools & Home Improvement
parkworld 6 ft. STW 12/3 20 Amp 125-Volt NEMA 5-20 Extension Cord 62190 - The Home Depot
AC WORKS NEMA L21-20 Cord 25-ft 12 / 5-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 50ft Super-Duty 5-15P to 5-20R Cord 50-ft 10 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com