SEEUTEK 25 ft. 10/4 30 Amp Generator Extension Cord 4 Prong 125-Volt Indoor/Outdoor Extension Cord L14-30 with Lighted End Black BZ-1398 - The Home Depot
VEVOR 30 Amp Generator Cord 4 Wire 10-Gauge 40-ft / 4 3-Prong Outdoor Sjtw Heavy Duty General Extension Cord in the Generator Accessories department at Lowes.com
parkworld 8 ft. 125-Volt 30 Amp 3-Prong Locking NEMA L5-30P Plug to 4-Prong L14-30R Generator Adapter Cord (2 Hots Bridged) - Yahoo Shopping
Leisure Cords RV Generator Adapter with 30 Amp 3 Prong Locking Male Plug to RV 30 Amp Female Standard Connector (3-Prong) - Walmart.com
4 Prong 30-AMP 10-Feet 250-Volt Generator Extension Cord NEMA L14-30p to L14-30r Generator Power Cord for Manual Transfer Switch, Portable Generators - China Locking Power Cord L14-30p L14-30r | Made-in-China.com
Superior Electric RVA1555 Generator Extension Cord 30 Amp 3 Pole SJTW 10AWG/ 3, 40ft
25ft 30A 125V 3-Prong NEMA L5-30 Locking Generator Extension Cord by AC WORKS® | eBay
30 Amp 3-Prong NEMA L5-30P/L5-30R RV Generator Extension Power Cord – Tooliom