Which fire extinguisher should not be used to extinguish Class B?

Foam agents also separate the oxygen element from the other elements. Water extinguishers are for Class A fires only; they should not be used on Class B or C fires. The discharge stream could spread the flammable liquid in a Class B fire or could create a shock hazard on a Class C fire.

What fire extinguisher should not be used on a Class B fire?

Water extinguishers are used on Class A fires involving solid combustibles. They are not suitable for fires fuelled by flammable liquids or where electricity is involved. Foam is a versatile fire extinguisher which can be used for Class A and B fires. The foam agent helps to prevent re-ignition.

What are Class B fire extinguishers used for?

Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering. Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock.

What type of fire extinguisher is class B?

“B” LIQUIDS

Fire extinguishers with a Class B rating are effective against flammable liquid fires. These can be fires where cooking liquids, oil, gasoline, kerosene, or paint have become ignited. Two commonly used chemicals are effective in fighting these types of fires.

What is the difference between ABC and CO2 fire extinguisher?

CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.

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How is Class B fire extinguished?

Class B fires involve flammable liquids like oil, alcohol, or gasoline. … Class B fires should be extinguished using foam, powder, or carbon dioxide extinguishers, according to the Fire Equipment Manufacturer’s Association. These types of extinguishers work by cutting off a fire’s oxygen supply.

Where should a Class B fire extinguisher be placed?

1. Where should fire extinguishers be located?

  • Class A: Locations that contain ordinary combustible materials, including offices, classrooms, and assembly halls.
  • Class B: Workshops, storage areas, garages, warehouses, or service and manufacturing areas that contain flammable liquids or gasses.

What are Class B and C fires?

What types of fires can be extinguished with carbon dioxide (CO2) fire extinguishers? Class B fires which involve flammable liquids and gases, solvents, oils, greases (excluding cooking oils/greases in depth) tars, oil-based paints and lacquers. Class C fires which involve energized electrical equipment.

Tame a raging fire