Use this tool to add compatible components to an existing system.
 System Tools panel
System Tools panel
 Edit Switch System.
 Edit Switch System. All components except those in the selected circuit are dimmed in the drawing area and the Switch System Editor toolbar displays.
 System Tools panel
System Tools panel
 Add To System.
 Add To System. When you select a lighting fixture or switch that is currently assigned to an different system, the component is removed from the original system and re-assigned to the system being edited.