Amazon.com: Ceptics 20-Ft 20-Amp Generator Distribution Power Cord (L14-20 to 4x 5-15/20R) | UL Listed | 4-prong locking plug | 20A, 125/250V : Everything Else
Generator 20A 4-Prong L14-20 Extension Cord NEMA L14-20P to L14-20R, 25' 50' | eBay
AC WORKS® L14-20 20 Amp 4-Prong Generator Cord – AC Connectors
AC WORKS 5 ft. L14-30P Generator 4-Prong 30 Amp Plug to (4) NEMA 5-15/20R 20 Amp Household Female Connectors Adapter Cord L1430F520-05 - 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
Amazon.com: Clear Power 20Amp 2ft(Short) 3 Outlet Extra Heavy Duty Generator Extension Cord Adapter with W Splitter, 20Amp 3 Prong Twist Lock Plug, Water & Weather Resistant, Flame Retardant, Yellow, DCAC-0066-DC :
AC WORKS® L14-20 20 Amp 4-Prong Generator Cord – AC Connectors
20A Extension Cord | Chicago Portable Power Generator Rental
Parkworld 884852 RV pig-tail Generator 20A Male to RV 30A Female Adapter Cord, NEMA 5-20P to TT-30R (1FT) - Walmart.com