Champion Power Equipment 25 ft. 125-250V 30A Flat Generator Extension Cord at Tractor Supply Co.
Ridgid 25 ft. 10/4 Heavy Duty Outdoor L14-30 Amp Generator Extension Cord | eBay
Amazon.com: 30 Amp Generator Cord and Power Inlet Box, 25FT Generator Cords 30 Amp,125V/250V Generator Power Cord NEMA L14-30P to L14-30R,Twist Lock Connector : Patio, Lawn & Garden
Champion Power Equipment 25-Foot 30-Amp 125/250-Volt Generator Extension Cord (L14-30P to four 5-20R) Thermoplastic Yellow in the Generator Accessories department at Lowes.com
Amazon.com: Leisure Cords 4-Prong 25 Feet 30 Amp Generator Cord, 10 Gauge Heavy Duty L14-30 Generator Power Cord Up to 7,500W (25-Feet) : Patio, Lawn & Garden
Champion Power Equipment® 48034 - 25' 30 A 125 V Generator Extension Cord for 3.75 kW Generators - TOOLSiD.com