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PASS (The basic steps for portable fire extinguisher use.) [6] Pull or Pin - Pull the pin at the top of the fire extinguisher (and immediately test the extinguisher). Aim - Aim the nozzle or outlet of the extinguisher at the base of the fire. Squeeze - Squeeze the handles of the extinguisher to begin discharging it.
Alarm - raise the alarm and alert persons to the presence of fire. C onfine - shut doors and reduce airflow and fuel sources to the fire, to reduce its spread. E xtinguish or E vacuate - extinguish the fire if it's safe to do so, or coordinate the evacuation from the area.
Specifications of fire extinguishers are set out in the standard AS/NZS 1841, the most recent version being released in 2007. All fire extinguishers must be painted signal red. Except for water extinguishers, each extinguisher has a coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents.
Classes of fire extinguisher and corresponding type of fire they extinguish. Claw tool Early striking and prying tool. Closed-circuit SCBA See SCBA. Closet hook Pike pole under 5 ft long Closet ladder See Attic ladder. CO 2 extinguisher Fire extinguisher that releases carbon dioxide gas to displace oxygen to smother and cool a fire, such as a ...
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.
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Fires can be extinguished by water, fuel or oxidant removal, or chemical flame inhibition; though, because fires are classified depending on the elements involved, such as grease, paper, electrical, etcetera, a specific type of fire extinguisher may be required. The classification is based on the type of fires that the extinguisher is more ...
Dry chemical powder is used on all classes of fires. Dry chemical powder puts out the fire by coating the burning material with a thin layer of dust, thereby separating the fuel from the oxygen in the air. The powder also works to interrupt the chemical reaction of fire, so these extinguishers are extremely effective at putting out the fire.