Generac Generator Transfer SwitchGeneracs Home Link Upgradeable Manual Transfer Switch is a pre wired electrical device that is installed next to your homes circuit panel. During an outage, it delivers power to hard wired appliances (such as furnace, well pump and lights) with the push of a button, safely and easily eliminating the need for multiple extension cords. It comes standard with 8 circuits, expandable to 10 circuits. When you are ready to install an automatic home standby