Which panelboard is directly associated with the automatic transfer switch?

The panelboard directly associated with the automatic transfer switch is generally the one responsible for distributing electrical power that can be switched over to an alternate source, such as a generator during an outage. In this context, panelboard XX1 is likely designed specifically to handle the load that the automatic transfer switch is managing.

This connection is crucial because the automatic transfer switch monitors the incoming power source and, in the event of a failure, promptly redirects power to the alternate supply. Panelboard XX1 then ensures that all circuits connected to it receive power, making it essential for maintaining electrical service to selected loads seamlessly.

Other panelboards may serve different functions or be associated with different systems, but panelboard XX1’s direct link to the automatic transfer switch positions it as the primary board for transferring electrical management between power sources.