Parallel cords allow the user to obtain the full power of both generators, limited only by the capacity of an individual outlet. Linking two identical units together will give you extra power when you need it, without having to trade up for a larger, heavier unit. You get more power without sacrificing portability. The Honda HPK123HI Parallel Cable is used to link two identical EU1000i, two identical EU2000i, two identical EU2200i, or two identical EU3000 Handi Generators together. Please note: you can only parallel two identical model units together.• Gain the extra power you need without having to buy a larger unit• Helps reduce the noise level• 5' long cable• Not for use with the EU3000i electric start models 5' long cable Not for use with the EU3000i electric start models | Honda HPK123HI Parallel Cable for EU1000i, EU2000i, and EU3000 Handi Generators