Code of Federal Regulations · Section

§ 131.899 — Fire Dampers

46 C.F.R. § 131.899

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Each fire damper installed within the boundary of a space protected by a fixed fire extinguishing system must be fitted with an indicator showing whether the damper is open or closed and must be marked with red letters at least 13 millimeters (

1/2-inch) high stating “FIRE DAMPER” and, as otherwise appropriate, identifying the space served by the fire damper.

46 C.F.R. § 131.896

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