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  2. Nearly 330,000 smoke alarms sold by HSN recalled due to ...

    www.aol.com/nearly-330-000-smoke-alarms...

    Recalled Samurai Mini Smoke Alarm — front / Credit: U.S. Consumer Product Safety Commission. Made in China, the alarms were sold through HSN nationwide and online from July 2020 through November ...

  3. Over 300,000 mini smoke alarms sold by the Home Shopping ...

    www.aol.com/over-300-000-mini-smoke-012624343.html

    The recall involves about 328,000 white and silver plastic Samurai brand mini smoke alarms sold between July 2020 through November 2024. The commission has urged consumers with affected models to ...

  4. First Alert - Wikipedia

    en.wikipedia.org/wiki/First_Alert

    On September 4, 1992, BRK recalled all hardwired smoke alarms under the series 1839I and 2839I due to testing programs determining that corrosion could form on the alarm horn's electrical contacts, causing the piezo to fail to make any noise. [6] In May 2006, First Alert combination smoke alarms were recalled due to draining batteries rapidly. [7]

  5. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.

  6. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Traditional smoke detectors are ionization smoke detectors which create an electric current between two metal plates, which sound an alarm when disrupted by smoke entering the chamber. Ionization smoke alarms can quickly detect the small amounts of particles produced by fast-flaming fires, such as cooking fires or those fueled by paper or ...

  7. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    The batteries can be either inside the bottom of the panel or inside a separate battery box installed near the panel. Initiating devices: These components act as inputs to the fire alarm control unit and are manually or automatically activated. Examples include pull stations, heat detectors, duct detectors, and smoke detectors.