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  2. The Best Place to Put Your Smoke Detector (Plus 3 Spots ... - AOL

    www.aol.com/lifestyle/best-place-put-smoke...

    Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm. For the most part, you can plan on replacing your smoke detector at least every 10 ...

  3. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    Residential smoke alarms are usually powered with a 9-volt battery, or by mains electricity. Some smoke alarms use a combination of the 2; usually using the 9V battery as an extra power source in the event of an outage. Commercial smoke detectors issue a signal to a fire alarm control panel as part of a fire alarm system. Usually, an individual ...

  4. Breathe Easy with the 11 Best Carbon Monoxide Detectors - AOL

    www.aol.com/breathe-easy-10-best-carbon...

    Since this combination CO and smoke alarm is hard-wired, it comes with a 10-year warranty and can connect with other First Alert detectors to provide whole-home environmental monitoring. Watch out ...

  5. The Best Place to Put a Carbon Monoxide Detector (and 5 ... - AOL

    www.aol.com/lifestyle/best-place-put-carbon...

    Related: The 9 Best Smoke Detectors of 2024 to Give You Peace of Mind. ... Safety shouldn't be left to chance, which is why carbon monoxide detectors, like smoke detectors, should be tested ...

  6. Carbon monoxide detector - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_detector

    A Kidde plug-in carbon monoxide detector. A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide poisoning. In the late 1990s, Underwriters Laboratories changed the definition of a single station CO detector with a sound device to carbon monoxide (CO) alarm.

  7. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices (pull stations). All components of a fire alarm system are connected to a fire alarm control panel. Fire alarm control panels are usually found in an electrical or panel room.

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