Generac 6853 Home Link Upgradeable 30 Amp Transfer Switch Kit with 10' Cord and Resin Power Inlet Box Versatile: Can be upgraded later for use with a Generac Home Standby Generator (max 11 kW) Power indicator lights: Displays when you have utility power or generator power Safe: Prevents dangerous back-feeding to avoid injuring utility line workers Powers hard-wired circuits: Directly powers hard-wired appliances such as your furnace, well pump, and lights Easy to maintain and expand: Interchangeable type circuit breakers make it easy to reconfigure, replace, or expand the circuits in your switch