To create a Cable Core select Create > Category for Cable Core from the main window drop-down.
Click OK to create the following database hierarchy and display the Category window.
An option for Cable Core Set is available in the Model References part of the Category window. Clicking on this option will display the following sub window:
Click New Core to create a new Cable Core. As new Cable Cores are created the will be visible in the table.
Click Copy to duplicate a currently selected Cable Core.