Heidi,
Cabling license can borrow with Creo Base license and it depends on startup configuration.
While installing Creo, you need to add Cabling license in stratup command with base license. this will borrow cabling license with base license of Creo.
Command configuration can modify using:
Execute reconfigure.exe from <Creo Install location>\parametric\bin
Select Next on first two pages and Customize on third page
Select Creo Parametric in left > Command configuration tab > edit > Move cabling license to right.
Check https://support.ptc.com/appserver/cs/view/solution.jsp?n=CS29618