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Write short notes on fire extinguishing methods adopted in electrical engineering. 
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Following are the fire extinguishing methods adopted in electrical engineering:-


1. Dry Powder fire extinguishers 2. Carbon Dioxide (CO2) fire extinguishers 


Short Note:- 

Stand 6 to 8 feet away from the fire and follow the four-step PASS procedure. If the fire does not begin to go out immediately, leave the area at once. Always be sure the fire department inspects the fire site. 

Pull the safety pin from the handle. Aim the extinguisher nozzle at the base of the fire. Squeeze the handle or lever slowly to discharge the agent. Sweep side to side over the fire until expanded 

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fire extinguishing methods adopted in electrical engineering

https://youtu.be/Lpgt3EW0Bw4
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Stand 6 to 8 feet away from the fire and follow the four-step PASS procedure. If the fire does not begin to go out immediately, leave the area at once. Always be sure the fire department inspects the fire site. 

*Pull the safety pin from the handle.

*Aim the extinguisher nozzle at the base of the fire.

*Squeeze the handle or lever slowly to discharge the agent.

*Sweep side to side over the fire until expanded 

(i) Carbon Dioxide Extinguishing Systems: This type is the most suitable & widely recommended one for electrical fires. Carbon dioxide (CO2) extinguishers are normally Class C extinguishers. Before using, Switch off the supply immediately so that the source for the fire to get sustained is isolated using proper insulated hand gear/foot gear. To use the extinguisher, pull the pin near the handle, point the horn at the base of the fire, and hold down the handle. As the flames shrink, continue spraying until the fire is fully extinguished. 

(ii) Dry chemical extinguisher The Dry Powder (or Dry Chemical) charged fire extinguisher is a multipurpose fire extinguisher and can be used on wide variety of fires. They are used on electrical fires but leave a residue that may be harmful to sensitive electronics. They work by chemical reaction with the fire causing the particles to expand chemically inhibiting combustion and expelling the oxygen thereby smothering the flames. 
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