AC WORKS 10/4 NEMA L14-30 30Amp 125/250Volt Generator Rubber Extension Cord (75FT) - Amazon.com
Superior RV EC3025HL Outdoor RV Power Extension Cord - 30 Amp - 25 Ft.
Amazon.com: Leisure Cords 30 Ft 30 amp RV Power Extension Cord with LED Power Indictor - 30 Amp Male to 30 Amp Female Standard Plug (30 Amp - 30 Foot) : Automotive
BENTISM 50 ft RV Extension Cord, 30 Amp, Heavy Duty STW RV Power Cord, NEMA TT-30R Female NEMA TT-30P Male Plug, with LED Indicator Handle 15A Adapter, for RVs, trams, generators, Campers,
Halex 25 ft. 10/3 30 Amp 125-Volt Marine Shore Power Extension Cord 31225 - The Home Depot
Sportsman Series CORDE30315 25 Foot Extension Cord with Male TT-30P 30 Amp Plug | JB Tools
Houseables Generator Extension Cord, Electric Wire, 3 Prong, 30 Amp, 250 Volt, Single, Black, 25 Ft, All Rubber, 10 Gauge, Heavy Duty, L6-30, Commercial, Electrical Power Cable, with Locking Switch - Amazon.com