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NEMA GUIDE - DUCT 2008 Edition, January 1, 2008
Complete Document
Superseded By: NEMA SB 13
Guide for Proper Use of Smoke Detectors in Duct Applications
Includes all amendments and changes through Change/Amendment , 2008
Additional Comments: ALSO KNOWN AS NEMA SB 13 * W/D S/S BY NEMA SB 13
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ANSI/NEMA MW 1000, 2014
Foreword

Proper Use of Smoke Detectors in Duct Applications

The purpose of this guide is to provide much needed information concerning the proper use of smoke detectors 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.