What type of fire extinguisher is used for transformer?
The extinguishing agent is water. Class B – Fires in flammable liquids. The extinguishing agent is fine spray of water (water mist of fogging). The blanketing or smothering effect keeps the oxygen away from the fuel.
WHAT TO DO IF transformer is on fire?
For almost every fire department responding to any electrical lines down or transformer pole fire, their protocol is to evacuate the area, ensure that no one is in harm’s way and call the utility company to isolate and shut down the power.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire.
- Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
- Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.
What does transformer fire mean?
When it becomes overcharged, the wiring can create heat and a spark. This massive overpressure may eventually cause the transformer to rupture with a loud boom, flash and possibly a fireball that can create a large plume of smoke that can be seen from a long distance.
Which class of fire is electrical fire and what is the suitable fire extinguisher type to put out this such fire?
Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock. Don’t use water. Class D: Certain flammable metallic substances such as sodium and potassium.
What happens when a transformer explodes?
When a transformer blows, it interrupts electrical service to any residences or businesses connected to the transformer. Electric service crews must replace the destroyed hardware, first shutting down the incoming electrical line to prevent damage and injury.
What is the best fire extinguisher for electrical?
Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment. Both monoammonium phosphate and sodium bicarbonate are commonly used to fight this type of fire because of their nonconductive properties.
Which fire extinguisher is not used for electrical fire?
Water fire extinguishers are NOT suitable for electrical fires as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.