What type of cable should be used as part of a firecode for a building?

A.
STP

B.
PVC

C.
heat protected

D.
plenum-rated

Explanation:
Section Reference: Identifying and Working with Twisted-Pair Cable
Cables that are installed inside walls or above drop ceilings where they cannot be accessed by sprinkler
systems in the case of a fire should be plenum-rated or low-smoke rated. Plenum-rated cables have a Teflon
coating that makes them more impervious to fire.