DUROMAX 100 ft. 10 Gauge Portable Generator Single Tap Extension Power Cord XPC10100A - The Home Depot
Generator Extension Cord 100 Ft 4 Prong Power Cable 10 4 30 Amp Adapter Plug | eBay
AC WORKS 20A NEMA 5-20 100-ft 10 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
AC WORKS Super-Duty L14-30 Cord 100-ft 8 / 4-Prong Indoor/Outdoor Soow Super Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com