CompTIA
220-801 · Question #731
Which of the following describes the MAIN difference between a plenum rated cable versus a non- plenum rated cable?
The correct answer is A. A reduced production of hazardous fumes when subjected to fire. Plenum cable is sheathed with fire retarded substance. Therefore, the production of hazardous fumes will be lower in plenum cable than in other cables not coated with fire retardant material.
Networking
Question
Which of the following describes the MAIN difference between a plenum rated cable versus a non- plenum rated cable?
Options
- AA reduced production of hazardous fumes when subjected to fire
- BThe ability to be bent into tighter turning radiuses within conduit
- CA reduced noise level when bundled in groups of 20 or more
- DThe ability to transmit data with fewer cross-talk interruptions
How the community answered
(46 responses)- A93% (43)
- B2% (1)
- D4% (2)
Explanation
Plenum cable is sheathed with fire retarded substance. Therefore, the production of hazardous fumes will be lower in plenum cable than in other cables not coated with fire retardant material.
Topics
#plenum cable#fire safety#cable rating#network cabling
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