The Copy and Increment Circuits command allows you to copy a device that is circuited and have the copied device also be circuited.
To copy a device in this manner, go to
Ribbon: DM Electrical->Devices-> 
Copy and Increment Circuits
Pulldown Menu: DM Electrical->Modify Devices->Copy and Increment Circuits
You will be prompted to select the devices to be copied.
Select objects:
You will then be prompted to specify a location for the new devices.
Specify base point:
Specify second point:
The Increment Circuits dialog box will appear.
Increment Circuits Dialog Box
The Increment Circuits dialog box is broken into two sections, separated by arrows (->).
The left section lists information about the circuits connected to the devices being copied. Each circuit being copied is listed. The associated Panel, Breaker, Load, and Description for the circuit are also displayed.
The right section lists the circuit to which the new devices will be connected. You can change the Panel, Circuit, and Description columns.