46 C.F.R. § 161.002-15 Sample extraction smoke detection systems.
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The smoke detecting system must consist of a means for continuously exhausting an air sample from the protected spaces and testing the air for contamination with smoke, together with visual and audible alarms for indicating the presence of smoke. [CGD 94–108, 61 FR 28292, June 4, 1996]
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PART 161—ELECTRICAL EQUIPMENT
Subpart 161.002—Fire-Protective Systems
§ 161.002-15 Sample extraction smoke detection systems.

