To modify a receptacle that is inserted on the drawing, go to
Ribbon: DM Electrical->Devices-> 
Query Device
Pulldown Menu: DM Electrical->Modify Devices->Query Device
Select a receptacle on the drawing. The information in the database regarding the selected receptacle will be displayed in the Query Receptacle dialog box.
Query Receptacle Dialog Box
Changes can be made to the receptacle in the same way as when it was inserted. See the Insert Receptacles section for more information.
Current Circuit: This field displays the circuit that the load on the receptacle is connected to. Use the Circuiting command to connect the receptacle to a new circuit if necessary.