Champion Power Equipment 50-Amp RV Generator 30-ft / 1 3-Prong Outdoor Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
Arcon 14249 Generator Power Cord - 30A - 50 Ft.
RV Pigtails 72531-50 30 Amp Extension Cord with 30 Amp Marinco End 50'
30 amp RV Power Extension Cord with LED Power indictor - 30 Amp Male to 30 Amp Female Standard Plug 30 Foot