Use the Copy command in the Cable & Harness Library dialog box to duplicate a selected library definition. All library definition properties for that object, except the library object's name, are inherited by the new library object.
The new library object is listed in the dialog box with the default name, which is <Original Name> Copy. Edit the library object to change the name, if needed. To change the name or any other property or property value, edit the object using Edit in the Cable & Harness Library dialog box.
You can also right-click the object name in the list, and then select Copy from the context menu.
A new harness object definition appears in the Cable & Harness Library dialog box list along with the other objects of that type.