What are plenum rated cables used for?
- for cables that are used between buildings
- for cables that are installed inside the floors and ceilings of buildings
- for cables that are used to connect workstations to wall sockets
- for cables that are used to connect computers back-to-back
Explanation: In case of a fire, a nonplenum rated cable could carry the fire from one part of a building to another. Plenum rated cables contain special plastic material that retards fire and produces less smoke when subjected to high temperature. These make them suitable to install in areas where air is circulating.
Exam with this question: A+ 220-1001 Certification Practice Exam
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