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  2. Heat detector - Wikipedia

    en.wikipedia.org/wiki/Heat_detector

    Rate-of-Rise (ROR) heat detectors operate on a rapid rise in element temperature of 6.7 to 8.3°C (12.1 to 14.9°F) increase per minute, irrespective of the starting temperature. This type of heat detector can operate at a lower temperature fire condition than would be possible if the threshold were fixed.

  3. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    Most fire alarm systems in Europe sound like a siren with alternating frequencies. Fire alarm electronic devices are known as horns in the United States and Canada and can be continuous or set to different codes. Fire alarm warning devices can also be set to different volume levels.

  4. NFPA 72 - Wikipedia

    en.wikipedia.org/wiki/NFPA_72

    The NFPA 72 (National Fire Alarm and Signaling Code) is a standard published by the National Fire Protection Association every 3 years for installation of fire alarm systems and emergency communication systems in the United States.

  5. Walmart in California’s Central Valley shuts down after 3 ...

    www.aol.com/news/walmart-california-central...

    The fire sparked midday Saturday on the roof, which had solar panels and A/C units. Walmart in California’s Central Valley shuts down after 3-alarm fire prompts store’s evacuation Skip to main ...

  6. Fire alarm control panel - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_control_panel

    Coded panels were the earliest type of central fire alarm control, and were made during the 1800s to the 1970s. A coded panel is similar in many ways to a modern conventional panel (described below), except each zone was connected to its own code wheel, which, depending on the way the panel was set up, would either do sets of four rounds of code until the initiating pull station was reset ...

  7. Man accused of setting fire at local Walmart, one ... - AOL

    www.aol.com/man-accused-setting-fire-local...

    The Fox 8 I-Team has uncovered video and a bizarre crime spree, which included an arson fire inside a busy store in Medina County. Man accused of setting fire at local Walmart, one person injured ...

  8. Fire warning - Wikipedia

    en.wikipedia.org/wiki/Fire_Warning

    A red flag warning (issued by the National Weather Service when low relative humidity and high winds and temperatures are expected) will generally precede any fire activity by at least one to two days. A fire warning will generally include information on the location and movement of the fire, evacuation instructions, and shelter locations.

  9. When is it appropriate to pull a fire alarm? Here's what ...

    www.aol.com/appropriate-pull-fire-alarm-heres...

    Stone said a Burlington city ordinance penalizes a person using the fire alarm as a false alarm, but the $100 to $500 fine is in place primarily to deter alarms being used out of mischief.