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NEMA SB 13

2012 Edition, January 1, 2012

Complete Document

Guide for Proper Use of Smoke Detectors in Duct Applications



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Description / Abstract:

This guide is developed by the Signaling Protection and Communication Section. It provides technical information on basic fire alarm systems with a focus on early-warning smoke detection devices installed in duct applications. Duct mounted smoke detectors are designed to provide a specific type of protection that cannot be duplicated by any other type of system. However, there has been a tendency to misapply these devices attempting to use them as a substitute for an early warning smoke detection system. This fact, coupled with new methods of detecting smoke in ducts, has prompted the writing of this industry guide.
ANSI/NEMA MW 1000, 2014