§ 25.1731. Powerplant and APU fire detector system: EWIS.
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/us/cfr/t14/s§ 25.1731·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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.