46 CFR 108.407
§ 108.407 Detectors for electric fire detection system.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 108.407, § 108.407 Detectors for electric fire detection system, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/226789
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Full text
(a) Each detector in an electric fire detection system must be located where—
(1) No portion of the overhead of a space protected is more than 3 meters (10 feet) from a detector;
(2) Beams and girders extending below the ceiling of the space protected and any other obstructions do not detract from the effectiveness of the detector; and
(3) Damage to the detector is unlikely to occur if it is not protected.
(b) Each detector must be set to activate at not less than 57 °C (135 °F) and at not more than 73 °C (165 °F), except that if a space normally has a high ambient temperature each detector may be set to activate at not less than 80 °C (175 °F) and not more than 107 °C (225 °F).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.