Firestopped is the more correct term, my mind is on woodworking recently.
Look at products from STI, Hilti, or 3M. It will be a system listed for the wall and raceway type, with a label that goes by the penetration for the building official.
check with your wholesale house for what they have access to.
Over 30 years of experience in providing internationally approved and tested firestop systems, premium software and support to save lives and buildings from fire
www.hilti.com
I would also check with the building AHJ on your application if it will be allowed