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  2. First Alert - Wikipedia

    en.wikipedia.org/wiki/First_Alert

    First Alert is the retail brand of American safety equipment manufacturer BRK Brands, Inc., [1] established in 1976 and based in Aurora, Illinois, with a production plant in Juarez, Mexico. Products sold with the brand include carbon monoxide detectors, smoke alarms , fire extinguishers , and other safety products like flashlights and fire ...

  3. Carbon monoxide detector - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_detector

    The devices can either be battery-operated or AC-powered (with or without a battery backup). Battery-powered devices advertise a battery lifetime of up to 10 years. The gas sensors in CO alarms have a limited life span, typically two to five years. [7] Newer models are designed to signal a need to be replaced after a set period.

  4. 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.

  5. Kidde - Wikipedia

    en.wikipedia.org/wiki/Kidde

    Kidde (/ ˈ k ɪ d ə / [2]) is an American multinational company that manufactures and distributes fire detection and suppression equipment, as well as smoke and CO alarm units. Kidde is one of America's largest manufacturers of smoke alarms [3] [4] and fire safety products. [5]

  6. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings.

  7. PASS device - Wikipedia

    en.wikipedia.org/wiki/PASS_device

    A PASS device (personal alert safety system), also known as a distress signal unit (DSU) or ADSU (automatic distress signal unit), is a personal safety device used primarily by firefighters entering a hazardous or "immediately dangerous to life and health" environment such as a burning building.

  8. VRLA battery - Wikipedia

    en.wikipedia.org/wiki/VRLA_battery

    A 12V VRLA battery, typically used in small uninterruptible power supplies and emergency lamps.. A valve regulated lead‐acid (VRLA) battery, commonly known as a sealed lead-acid (SLA) battery, [1] is a type of lead-acid battery characterized by a limited amount of electrolyte ("starved" electrolyte) absorbed in a plate separator or formed into a gel, proportioning of the negative and ...

  9. Heat detector - Wikipedia

    en.wikipedia.org/wiki/Heat_detector

    A Fixed Threshold Detector triggers an alarm when a specific temp threshold is reached or exceeded. This type of detector is generally less sensitive to rapid temperature fluctuations, making it more suitable for areas like large, industrial kitchens where ovens or other heat-producing equipment are frequently in use.

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