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
12AWG Heavy Duty Extender AC Plug Adapter [4-in-1], 15 Amp Household to 20 Amp
AC WORKS® Household Extension Cord L520520-096 L5-20P to NEMA 5-15/20R – AC Connectors
AC WORKS 50 ft. 20 Amp 250 Volt SJTW 12/3 NEMA 6-20 Extension Cord with Lighted End S620PR-050D - The Home Depot
Extension Cord, 25 ft, 110/120V, 20 amp, NEMA 5-20 Plug/Receptacle | Quick 220 Electrical Systems
UL Listed NEMA 6-20R Female Electrical Outlet Drop Cord Extension Cord Ends Replacement 20 Amp 220 240 250 Volt 2 Pole 3 Wire Grounding Commercial Grade Receptacles Connector 2-Pack - Amazon.com
Female Cord End, 250 Volt, 20 Amp
Yellow Jacket 2991 125V 20 Amp 2500W 50 ft. 10/3 SJTW Heavy-Duty Extension Cord with Lighted T-Blade Plug - Walmart.com
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
NEMA 5-20P Straight Blade Replacement Plug Connector, Male Extension Cord Ends, 20 Amp, 125 Volt, 2 Pole, 3 Wire Grounding - AliExpress
RVGUARD Electrical Replacement Plug, Extension Cord Ends Male Plug, NE – rvguard
Southwire 50 ft. 10/3 STW 20-Amp Power Distribution Outdoor Heavy-Duty Generator Extension Cord with Power Light Plug 26188802 - The Home Depot
AC WORKS NEMA 6-20 20A 250V 25-ft 10 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
ALLEGRO 50' Explosion-Proof Extension Cord, 110V, Black - EnSafeCo.com
Extension #5 20A Extension Cord with 6-20 plug to 6-20 outlet – BSA Electronics