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Which of the following is incorrect pertaining to plenum areas?

Which of the following is incorrect pertaining to plenum areas?

PrepAway - Latest Free Exam Questions & Answers

A.
Wiring and cables are strung through plenum areas, such as the space above dropped ceilings, the space in wall cavities, and the space under raised floors.

B.
Plenum areas should have fire detectors.

C.
Only plenum-rated cabling should be used in plenum areas

D.
Plenum-rated cabling is made out of material that does not burn

Explanation:
Wiring and cables are strung through plenum areas, such as the space
above dropped ceilings, the space in wall cavities, and the space under raised
floors. Plenum areas should have fire detectors. Also, only plenum-rated cabling
should be used in plenum areas, which is cabling that is made out of material that
does not let off hazardous gases if it burns.


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