Don’t Add Water. Never use a water extinguisher on electrical fires or any fire involving a flammable liquid. As any science student will tell you, water conducts the current. If you spray water onto an electrical fire, …
Water fire extinguishers have a class A rating and can be used to put out fires made of wood, paper, or cloth. Water fire extinguishers are not ideal for electrical fires since water is a conductor, and if used on this type of fire, you risk electrocution. They are also not ideal for combustible liquid or metal fires because they will not put …
Will water extinguish flammable liquid fires?
Never use water to extinguish flammable liquid fires. Water is extremely ineffective at extinguishing this type of fire, and you may, in fact, spread the fire. Trending; … It’s very important not to use a water extinguisher on a Class B fire — the stream of water might spread the flaming material rather than extinguish it.
Electrical fires: You can use your foam extinguisher on active electrical fires if it has been tested to 35000 Volts (35kV). Maintain a safe distance of 1 meter. … or gasoline) since the discharge stream could spread the flammable liquid. Water fire extinguishers function by cooling the burning material with pressurized water. Direct the jet …
People Also Ask can you use water fire extinguisher on flammable liquids
Does water extinguish flammable liquids?
In the case of a flammable liquid, water doesn’t extinguish it, and all the water does is spread it around. This results in the burning liquid spreading around much faster and doing much more damage, and would actually help to spread and exacerbate a fire
Can you use a water extinguisher on an electrical fire?
Don’t Add Water. Never use a water extinguisher on electrical fires or any fire involving a flammable liquid. As any science student will tell you, water conducts the current. If you spray water onto an electrical fire, inadvertently or intentionally, you risk electrocuting yourself.
What type of fire extinguisher should I use?
Water fire extinguishers should be used on organic materials such as burning wood, paper or textiles. These are classified as a Class A fire. Instead, the British Standard recommends using these in conjunction with another extinguisher in order to cover the other fires that are not suitable for water.
What happens if you spray water on a flammable liquid?
If you spray water onto an electrical fire, inadvertently or intentionally, you risk electrocuting yourself. In the case of a flammable liquid, water doesn’t extinguish it, and all the water does is spread it around. This results in the burning liquid spreading around much faster and doing much more damage,…
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Why Never Use Water Based Extinguisher on Flammable Liquid Fire? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher