Reliance PC3050 50-Foot 30-Amp 4-Prong Generator Power Cord – PC3050 – DuroMax Power Equipment
Champion Power Equipment 30-Amp RV Generator 30-ft / 1 3-Prong Outdoor Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
Gen RV 30 Amp Generator Cord, 3-Prong 10 Gauge Heavy Duty L5-30 Male Generator Power Cord Up to 3750W - Leisure RV Parts
Amazon.com: 25 Feet NEMA L14-30P/L14-30R Generator Extension Cords, 4 Prong Heavy Duty, 30 Amp,125/250V,Up to 7500W 10AWG Cable and The Cable UL Certification,Yellow : Patio, Lawn & Garden
Champion Power Equipment 25 ft. 125/250V 30A Duplex-Style Generator Extension Cord, L14-30P to Four 5-20R at Tractor Supply Co.
Amazon.com: Houseables Generator Cord 30 Amp 4 Prong, Generators Extension, 10 Ft, 125-250v, 7500 watt max Rating, UL CUL, NEMA L-14-30P, Rubber, 10 Gauge, Heavy Duty, L14-30, Transfer, Power Cable, Locking :