Which of the following cable types is required to run through an air duct?

The correct answer is D. Plenum. Plenum rated cable has a special insulation that has low smoke and low flame characteristics. Plenum cable is mandated to be installed in any "air handling" space. For example, most large office buildings use the ceiling to return air to the AC unit. This qualifies this ceiling…

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Question

Options

AUTP
BFiber
CPVC
DPlenum

How the community answered

(18 responses)

B
6% (1)
C
6% (1)
D
89% (16)

Explanation

Plenum rated cable has a special insulation that has low smoke and low flame characteristics. Plenum cable is mandated to be installed in any "air handling" space. For example, most large office buildings use the ceiling to return air to the AC unit. This qualifies this ceiling as a plenum ceiling, and all the cables that go through that ceiling must be plenum rated.

Topics

#plenum cable#air duct#cable types#fire safety

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