parkworld 6 ft. STW 12/3 20 Amp 125-Volt NEMA 5-20 Extension Cord 62190 - The Home Depot
AC WORKS® SOOW, 12/4, L15-20, 20A 3-Phase 250V Industrial High Power – AC Connectors
Iron Box NEMA 25ft 5-20 Extension Power Cord - Durable and Reliable 20A, 125V, UL Listed Portable Generator Cord for Transfer Switches, Data Centers, and Other High-Powered Applications (Black) - Electronics Power
NEMA 6-20 Extension Power Cord 6 - 50ft 20A 20Amp 220V 6-20P to 6-20R 12AWG cord | eBay
Parkworld NEMA L6-20 Extension Cord L6-20P to L6-20R, 25FT, 36FT, 50FT | eBay
parkworld 25 ft. STW 12/3 20 Amp 125-Volt NEMA 5-20 Extension Cord (NEMA 5-20P to 5-20R) 62220A - The Home Depot
Extension Cord, 25 ft, 110/120V, 20 amp, NEMA 5-20 Plug/Receptacle | Quick 220 Electrical Systems
AC WORKS 25ft NEMA 5-20 Cord 25-ft 12 / 3-Prong Indoor/Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 20A NEMA 5-20 10-ft 10 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
parkworld 6 ft. SJTW 12/3 20 Amp 250-Volt NEMA 6-20 Indoor/Outdoor Extension Cord 885743 - The Home Depot
T-Blade Extension Cord Extra Heavy Duty 10/3 Triple Outlet Extension Cord 10 Gauge 2500 Watts 20 Amp 125 Volts,T-Blade Plug All Copper Wire 10 Gauge Extension Cord 25 ft NEMA 5-20 amp Extension Cord - Walmart.com
Cable Matters Outdoor Rated 12 AWG Heavy Duty 20 Amp Extension Cord 25 ft Power Cable with LED Light (NEMA 5-20P to NEMA 5-20R) - Amazon.com
Southwire 50 ft. 10/3 STW 20-Amp Power Distribution Outdoor Heavy-Duty Generator Extension Cord with Power Light Plug 26188802 - The Home Depot
Amazon.com: Tripp Lite Heavy Duty Power Cord, 20A, 12AWG (IEC-320-C19 to NEMA 5-20P) 10-ft.(P049-010) , Black : Electronics