These Parallel Power Cables are the fast, safe, and easy way to combine the power of two Yamaha EF2000iS Inverter generators. Cable features include polarized IP30 banana plugs, quick connection to parallel jacks on both generators, color-coded wire leads, exclusive flexible tip construction that resists breakage, compatibility with a standard 30A RV cord, rugged over-braided cable design, and a handy Velcro mounting system.