Compatible with portable generators starting at 8kW with a 50-Amp receptacle,the whole house manual transfer switch is able to back up your entire home and all its appliances. The manual transfer switch offers the flexibility to power multiple large appliances, and turn off circuits on your main electrical panel to prevent overloading your portable generator. Additionally, the manual transfer switch is capable of delivering power to outlying buildings like a workshop, shed, or garage. Generac recommends installation be completed by a certified electrician. Click HERE to find an electrician in your area.