AC WORKS Heavy Duty Durable Extension Cord (10FT NEMA 5-20 20A 125V) - Amazon.com
Parkworld 885736 NEMA 6-20 Extension Cord 6-20P to 6-20R (T Blade Female Also for 6-15R), 250V, 20A, 5000W (3FT) - Walmart.com
NEMA 6-20 Extension Power Cord - 25 Foot, 20A/250V, 12/3 SJT - Iron Box Part # IBX-6153-25 - Amazon.com
parkworld 6 ft. STW 12/3 20 Amp 125-Volt NEMA 5-20 Extension Cord 62190 - The Home Depot
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
AC WORKS 20A NEMA 5-20 50-ft 10 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
AC WORKS® SOOW, 12/4, L15-20, 20A 3-Phase 250V Industrial High Power – AC Connectors
AC WORKS 25ft NEMA L6-20 Cord 25-ft 12 / 3-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
Reviews for Southwire 50 ft. 10/3 STW 20-Amp Power Distribution Outdoor Heavy-Duty Generator Extension Cord with Power Light Plug | Pg 4 - The Home Depot