Generac 50-Amp 10-Foot Portable Backup Power Generator Cord in the Generator Accessories department at Lowes.com
RV Generator L14-30P 30A 4-Prong Plug to 50A RV/Marine Adapter Cord – AC Connectors
Generator Power Cord, 50-Amp 125/250-Volt, NEMA 14-50P Generator Plug to CS-6364 Locking Connector (15', 25', 50') | GenInterlock
Sportsman Series 30 ft. 125-Volt to 250-Volt 50 Amp Marine Type Pigtail Extension Cord - Yellow - Sportsman Generator Cord in the Generator Accessories department at Lowes.com