The CNS Classification is prepared properly. So the needed classes are available.

Call up the Edit class system dialog box:

This information is irrelevant for your modeler when setting the classes and features. It is only important for him that the required classes already exist.

The classes required for filter insertion points [Connection points] can be found under Insertion Point -> Electrical.

Example: Class "Elektro Alignment Coordsys"

The classes required for filter classes can be found under Electrical.

Example: Class "Connector"