Try checking out the screen capture below. Maybe that is why you are getting the dash when inserting a component. Look under Project Properties, Components for the selections in the image.
Hope this helps.
Scott
Hello Tran,
The "-" is a part of device ID that is used when you are operating on Asian/EMEA standards like IEC, GB etc. You can use the supress settings in project settings dialog box. You need to make sure the use of these component tag settings & Use as per your requirement.You can learn more about this setting at
Components Tab (Project Properties Dialog Box)
http://help.autodesk.com/view/ACAD_E/2015/ENU/?guid=GUID-A9B7EC68-7A3C-4CEE-82C3-670D4B0BD09D
If you are on older version of AutoCAD Electrical, invoke project setting dialog box > Component > Help for details.
Regards,
Mayuresh Athalekar
AutoCAD Electrical Team !