The three key elements that a fire requires to flourish are heat, fuel and oxygen.All fire extinguishers work by removing one or more of these 3 key elements.. By removing the heat from the fire, this eliminates one of the 3 key elements and extinguishes the fire.As the embers will remain hot it is important to continue to spray water until the area is completely cooled.
Fire Extinguisher Colours and Uses | Comprehensive Guide
There are two types of fire extinguishers that have a red label: water spray and water mist fire extinguishers. They are both water-based and they kill the fire by cooling down the heat source of the fire to the point where …
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What colour is your fire extinguisher?
Nowadays, all fire extinguishers are coloured bright red and the type is indicated by a coloured label across the middle of the canister. The reasoning behind the change was that red is associated with danger and as a bright colour, it is easier to spot in a dark room filled with smoke. Seen a silver fire extinguisher at work?
What is a water fire extinguisher?
Water fire extinguishers come in an all-red cylinder with no coloured band. Water fire extinguishers are used to extinguish class A fires, or in other words fires involving flammable solids such as paper, wood, and textile materials.
What does a yellow fire extinguisher mean?
Label Colour: Yellow – Wet Chemical Extinguishers. Overview: Wet chemical extinguishers with yellow labels are specialist extinguishers, designed for use on fires involving cooking oils and fats (‘Class F’ fires). They can be used on Class A fires although businesses usually have a foam or water extinguisher for this purpose. Used on:
What is a blue powder fire extinguisher?
3. Powder (Blue) Dry powder fire extinguishers are red with a blue label. Like foam, the non-combustible powder smothers the fire. Unlike foam extinguishers, this type of extinguisher doesn’t contain water so can be used on live electrical equipment.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher