{"data":{"id":"us/46-cfr-108.407","jurisdiction":"us","citation":"46 CFR 108.407","heading":"Detectors for electric fire detection system.","body":"(a) Each detector in an electric fire detection system must be located where—\n(1) No portion of the overhead of a space protected is more than 3 meters (10 feet) from a detector;\n(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\n(3) Damage to the detector is unlikely to occur if it is not protected.\n(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).","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER I-A—MOBILE OFFSHORE DRILLING UNITS","PART 108—DESIGN AND EQUIPMENT","Subpart D—Fire Extinguishing Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"6d0d49eedcaf852888feacd65a2f26dffc9c09fb9e1937490089ced2e10949f3","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-108.405","next":"us/46-cfr-108.409"},"notice":"GroundRules: Original legal text. Not legal advice."}