You use this tool to delete components from an existing circuit. If you remove all of the components from a circuit, the circuit will be deleted. 
Note: If permanent wiring has been added to the circuit you are changing, you must delete the wiring first. 
-  Select a component in the existing circuit. 
 
- Click Electrical Circuits tab
System Tools panel
 Edit Circuit. All components except those in the selected circuit are dimmed in the drawing area and the Circuit Editor toolbar displays. 
  
- Click 
 Remove From Circuit.  
- In the drawing area, select one or more components that you want to remove from the circuit. 
Note: You can use a pick box to select multiple components. 
  
- Click 
 Finish Editing Circuit to apply your changes or click 
 Cancel to discard your changes.