Adding water to certain fires can cause effects from electrocution of the intended firefighter (if used on energized electrical equipment) to explosion if used on combustible metal fires (technically the rapid uncontrolled liberation of …
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. In the case of a flammable liquid, water doesn’t extinguish it, and all …
Why Water Cannot Be Used To Extinguish Petrol Fires?
Water continues to pour, increasing the possibility of the fire spreading. When it comes to electric fires, water is not an effective extinguisher. Because it is an excellent conductor of electricity, it puts the life of the person spraying it in jeopardy.
First, let’s look at extinguishing agents that should not be used. NFPA 484 6.3.3.5(1) specifically states that water shall not be used as an extinguishing agent on combustible-metal fires unless they are compatible with the metal because of adverse reactions and ineffectiveness. Water-based foams are not recommended because they contain water.
People Also Ask why water cannot be used to extinguish electrical fires
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.
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
What is used to extinguish the fire?
In general water is used to extinguish the fire there’re water based fire extinguisher system such as sprinkler , stand pipe , deluge and pre action systems. And there’re also other extinguishing systems such as clean agent system ..
Can water put out a fire?
Water can be used to put out some types of fire. There are 5 types of fire, A, B, C, D and K. Class A fires are ordinary combustibles like wood or paper and can be fought with water, CO2, Dry Chemical, or Halon. Class B fires are flammable or combustable liquids or gasses and cannot be fought with water but need CO2, foam, Dry Chemical, or Halon.
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher