You use this tool to add compatible components to an existing circuit.
You can also add a component that is currently assigned to a different circuit. The component is removed from the original circuit and re-assigned to the circuit being edited.
 System Tools panel
System Tools panel
 Edit Circuit.
 Edit Circuit. All components except those in the selected circuit are dimmed in the drawing area and the Circuit Editor toolbar displays.
 Edit Circuit panel
Edit Circuit panel
 Add To Circuit.
 Add To Circuit.  Finish Editing Circuit to apply your changes or click
 Finish Editing Circuit to apply your changes or click  Cancel to discard your changes.
 Cancel to discard your changes.