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  2. Multiple-alarm fire - Wikipedia

    en.wikipedia.org/wiki/Multiple-alarm_fire

    When identifying the unit/firefighter alarm designation, the initial dispatch is referred to as a "first alarm" and is typically the largest. Subsequent alarms are calls for additional units, usually because the fire has grown and additional resources are needed to combat it, or because the incident is persisting long enough that firefighters on scene need to be relieved.

  3. National Fire Danger Rating System - Wikipedia

    en.wikipedia.org/wiki/National_Fire_Danger...

    The bottom line of the National Fire Danger Rating System in the day-to-day operation of a fire prevention and suppression program is the staffing class. The staffing class is sometimes referred to as the action class, adjective class, precaution class, preparedness class, or the Industrial Fire Precaution Level (IFPL). [2]

  4. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    Fire alarm warning devices can also be set to different volume levels. Notification appliances utilize audible, visible, tactile, textual or even olfactory stimuli ( odorizers ) [ 15 ] [ 16 ] to alert the occupants of the need to evacuate or take action in the event of a fire or other emergency.

  5. How bad is a five-alarm fire? What to know about system after ...

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  6. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Country Fire Authority There are two types of response for the Country Fire Authority which cover the outer Melbourne Area. These are similar to those used by Ambulance Victoria, minus the use of Code 2. Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident.

  7. 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 ...

  8. Staggering devastation as fire levels Ventura County ... - AOL

    www.aol.com/news/staggering-devastation-fire...

    Now fire officials are working to determine the full scope of the ruin. "It's a big system shock, almost like you're in a bad dream," said resident Brittanie Bibby. "You just want to wake up."

  9. Aspirating smoke detector - Wikipedia

    en.wikipedia.org/wiki/Aspirating_smoke_detector

    Other alarm levels may be configured to provide fire alarm inputs to fire systems as well as releasing suppression systems. ASD alarm sensitivities are configurable and can be programmed to levels ranging from thousands of times more sensitive than a conventional detector, to much less sensitive. The detectors work best in non-volatile ...

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