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  Home Video NFPA 72 Requirements for Duct Smoke Detectors | Part 2

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ElectricalFire Alarm Codes

NFPA 72 Requirements for Duct Smoke Detectors | Part 2

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Descriptions:

Chapter 21 of the NFPA 72 deals with interfacing the fire alarm system with other building systems control units. This includes duct detectors.

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NFPA 72 Smoke Detectors requirements

NFPA 72 Requirements for Duct Smoke Detectors | Part 1

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