parkworld 25 ft. SJTW 12/3 20 Amp 250-Volt NEMA 6-15 Indoor/Outdoor Extension Cord 885729 - The Home Depot
Amazon.com: 1-Foot 20 Amp-250 Volt Nema 6-20P Extension Cord, 12AWG Nema 6- 20 Heavy Duty Extension Cable, Nema 6-15/20R T-Blade Cord with Red Indicator Light, Black Color for Air Conditioner Etc. : Tools
20 Amp Black NEMA 6-20P to NEMA 6-20R | Universal Extension Cord | ShowMeCables.com
AC WORKS® brand L6-20 20 Amp 250 Volt All Weather Rubber Extension Cord – AC Connectors
Electrical Replacement Plug, Extension Cord Ends Male Plug, NEMA 6-20P, 20 Amp 250 Volt, 2 Pole 3 Wire Grounding - AliExpress
parkworld 100 ft. SJTW 12/3 20 Amp 250-Volt NEMA 6-15 Indoor/Outdoor Extension Cord 62251 - The Home Depot
UL CSA 6feet 20 AMP-250 Volt NEMA 6-20p Extension Cord, 12AWG Electric Replacement Cable Wire, NEMA 6-15/20r T-Blade Power Cord with Red Indicator Light - China Cord, Cable | Made-in-China.com
AC WORKS AC Connectors 10 ft. 12/3 Heavy Duty SOOW L6-20 20 Amp 250-Volt Generator Rubber Extension Cord L620PR-010 - The Home Depot | Extension cord, Electrical supplies, Transfer switch
ENERLITES NEMA 6-20P Straight Blade Replacement Plug Connector, Male Extension Cord Ends, 20 Amp, 250 Volt, 2 Pole, 3 Wire Grounding, Industrial Grade, Heavy Duty, UL Listed, 66230-BK, Black, 1 Pack - Walmart.com