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- Smoke_detector abstract "A smoke detector is a device that senses smoke, typically as an indicator of fire. Commercial and residential security devices issue a signal to a fire alarm control panel as part of a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible or visual alarm from the detector itself.Smoke detectors are typically housed in a disk-shaped plastic enclosure about 150 millimetres (6 in) in diameter and 25 millimetres (1 in) thick, but the shape can vary by manufacturer or product line. Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization), while others use both detection methods to increase sensitivity to smoke. Sensitive alarms can be used to detect, and thus deter, smoking in areas where it is banned such as toilets and schools. Smoke detectors in large commercial, industrial, and residential buildings are usually powered by a central fire alarm system, which is powered by the building power with a battery backup. However, in many single family detached and smaller multiple family housings, a smoke alarm is often powered only by a single disposable battery.In the United States, the National Fire Protection Association estimates that nearly two-thirds of deaths from home fires occur in properties without working smoke alarms/detectors.".
- Smoke_detector thumbnail Smoke_detector.jpg?width=300.
- Smoke_detector wikiPageExternalLink am241.shtml.
- Smoke_detector wikiPageExternalLink smokealarmreport.pdf.
- Smoke_detector wikiPageExternalLink www.nfpa.org.
- Smoke_detector wikiPageExternalLink home-smoke-alarm-tests.cfm.
- Smoke_detector wikiPageExternalLink Smoke-Alarm-Types-and-how-they-work.
- Smoke_detector wikiPageExternalLink key-asset-protection-with-video-smoke-detection.html.
- Smoke_detector wikiPageExternalLink types-detectors-and-.
- Smoke_detector wikiPageID "341287".
- Smoke_detector wikiPageRevisionID "606784023".
- Smoke_detector hasPhotoCollection Smoke_detector.
- Smoke_detector subject Category:Active_fire_protection.
- Smoke_detector subject Category:American_inventions.
- Smoke_detector subject Category:Detectors.
- Smoke_detector subject Category:Fire_detection_and_alarm.
- Smoke_detector type Ability105616246.
- Smoke_detector type Abstraction100002137.
- Smoke_detector type Alarm107519773.
- Smoke_detector type Alarms.
- Smoke_detector type AmericanInventions.
- Smoke_detector type Attribute100024264.
- Smoke_detector type Cognition100023271.
- Smoke_detector type Creativity105624700.
- Smoke_detector type Emotion107480068.
- Smoke_detector type Fear107519253.
- Smoke_detector type Feeling100026192.
- Smoke_detector type Invention105633385.
- Smoke_detector type PsychologicalFeature100023100.
- Smoke_detector type State100024720.
- Smoke_detector comment "A smoke detector is a device that senses smoke, typically as an indicator of fire.".
- Smoke_detector label "Detector de fumaça".
- Smoke_detector label "Detector de humo".
- Smoke_detector label "Détecteur et avertisseur autonome de fumée".
- Smoke_detector label "Ionisationsrauchmelder".
- Smoke_detector label "Rookmelder".
- Smoke_detector label "Smoke detector".
- Smoke_detector label "Пожарный извещатель".
- Smoke_detector label "كاشف الدخان".
- Smoke_detector label "住宅用火災警報器".
- Smoke_detector sameAs Ionisationsrauchmelder.
- Smoke_detector sameAs Detector_de_humo.
- Smoke_detector sameAs Détecteur_et_avertisseur_autonome_de_fumée.
- Smoke_detector sameAs Detektor_Kebakaran.
- Smoke_detector sameAs 住宅用火災警報器.
- Smoke_detector sameAs Rookmelder.
- Smoke_detector sameAs Detector_de_fumaça.
- Smoke_detector sameAs m.01y3hg.
- Smoke_detector sameAs Q565858.
- Smoke_detector sameAs Q565858.
- Smoke_detector sameAs Smoke_detector.
- Smoke_detector wasDerivedFrom Smoke_detector?oldid=606784023.
- Smoke_detector depiction Smoke_detector.jpg.
- Smoke_detector isPrimaryTopicOf Smoke_detector.
