Powerplant and APU fire detector system: EWIS.

CFR · 2024-01-01 · US · Title 14

(a) EWIS that are part of each fire or overheat detector system in a fire zone must be fire-resistant. (b) No EWIS component of any fire or overheat detector system for any fire zone may pass through another fire zone, unless: (1) It is protected against the possibility of false warnings resulting from fires in zones through which it passes; or (2) Each zone involved is simultaneously protected by the same detector and extinguishing system. (c) EWIS that are part of each fire or overheat detector system in a fire zone must meet the requirements of § 25.1203.

official document · source cfr-2024 · id 14:§ 25.1731