Plenum is associated with which system?

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Study for the NFPA 101 Life Safety Code Test. Review multiple choice questions, and use hints and explanations to enhance your understanding. Prepare thoroughly for your test!

Multiple Choice

Plenum is associated with which system?

Explanation:
A plenum is the air-handling space used to move conditioned air in a building, typically the area above a dropped ceiling or under a raised floor that serves as a return or supply air pathway. That makes it part of the air-distribution (HVAC) system. In NFPA 101, plenums are recognized as ventilation channels, and their fire/smoke considerations come from the way air moves through them. Lighting, electrical, and plumbing serve different functions and don’t define the plenum space, so the best fit is the air-distribution system.

A plenum is the air-handling space used to move conditioned air in a building, typically the area above a dropped ceiling or under a raised floor that serves as a return or supply air pathway. That makes it part of the air-distribution (HVAC) system. In NFPA 101, plenums are recognized as ventilation channels, and their fire/smoke considerations come from the way air moves through them. Lighting, electrical, and plumbing serve different functions and don’t define the plenum space, so the best fit is the air-distribution system.

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