Parallel Power Cord: Compatible with the use of parallel power cables two EU1000i, two EU2200i, two EU3000 generators together to get as much as double the output (Please note: you can only parallel two identical units together) Compatible With Honda Models：Specifically designed for use with HONDA 08E93-HPK123HI EB2000 EU1000 EU2000 EU2200 EB2000i EU1000i EU1000iK1 EU1000iT1 EU2000i EU2000iK1 EU2000iT1 EU2200iT generator power parallel connector cable kit. this cable does not work with the EU3000is electric start model Compatible EU2200i: If you have a regular EU2200i and the Companion model, you only need a parallel cord. You will be able to use the 30A outlet on the Companion to draw the full combined power of the two units Backup for power outage: Not matter you are suffering from a power outage or you need to power up your appliance in RV, this type of parallel cable can come in handy gives you extra power when you need it Product Packging: Include 1 for honda hpk123hi parallel cable and 1x instruction manual. Never connect a cable between two different generator models. the electric-start EU3000is is considered a different model Parallel Power Cord: Compatible with the use of parallel power cables two EU1000i, two EU2200i, two EU3000 generators together to get as much as double the output. (Please note: you can only parallel two identical units together) Compatible with: for EU1000i (all models), for EU2200i(all models), Suitable for EU3000i (compatible with Handi models only)