AC WORKS 100ft NEMA L14-30 Cord 100-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
Southwire 30 ft. 10/3 STW 30-Amp RV Power Extension Cord with Power Light Lighted Plug 95707508 - The Home Depot