There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire.
Are there 4 classes of fire?
Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach. In fact, trying to fight a blaze with the wrong method might make the situation worse.
How many types of fire extinguishers are there?
There are 5 main fire extinguisher types – Water, Foam, Dry Powder, CO2 and Wet Chemical.
What are the 4 types of fire extinguishers Colours?
What Are the Fire Extinguisher Colours?
- Blue – Dry Powder.
- Black – Carbon Dioxide (CO2)
- Cream – Foam.
- Red – Water (Spray and Mist)
- Yellow – Wet Chemical.
What are the classes of fire and their extinguishers?
Fire Extinguisher Types
|Class of Fire||Description|
|Class A Fires||Fires in ordinary combustible materials, such as wood, cloth, paper, rubber, and many plastics.|
|Class B Fires||Fires in flammable liquids, combustible liquids, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, alcohols, and flammable gases.|
What are the 4 classes of fire in the US?
CLASS A – Ordinary combustibles such as wood, cloth, and paper. CLASS B – Flammable liquids such as gasoline, oil, and oil-based paint. CLASS C – Energized electrical equipment, including wiring, fuse boxes, circuit breakers, machinery and appliances. CLASS D – Combustible metals such as magnesium or sodium.
What are the 5 different types of fire extinguishers?
When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water. In order to meet the current regulations, it is important for you to have the exact type of fire extinguisher that is needed for your premises.
What are the 4 types of fire extinguishers PDF?
There are five main types of fire extinguishers:
- Carbon Dioxide (CO2).
- Wet chemical.
What are the classes of fire?
Class A fires – are fires involving organic solids like paper, wood, etc. Class B fires – are fires involving flammable liquids. Class C fires – are fires involving flammable gasses. Class D fires – are fires involving burning metals (eg aluminium swarf)
What are the different classes of fires?
Classes of fire
- Class A. A class A fire is burning flammable solids as fuel. …
- Class B. Class B fires are burning flammable liquids. …
- Class C. Class C fires burn flammable gases. …
- Class D. Class D fires are burning flammable metals. …
- Electrical. Any fire involving electrical equipment is classed as an electrical fire. …
- Class F.
What extinguisher is Class C?
Tackling A Class C Fire
The only extinguisher which is safe to use on a Class C fire is a dry powder extinguisher. It works by cooling the flames until there is no longer enough heat to keep them burning. But using any other type of extinguisher will instead just spread the fuel and flames.
What is a Class B fire extinguisher?
Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
What are the four ways fire can spread?
There are 6 ways in which a fire will commonly spread:
- Direct Contact. Initially, this is how fires normally spread until the heat builds up. …
- Radiation. As a fire increases in intensity, it will give off more heat. …
- Conduction. …
- Convection. …
- Flashover. …
What type of fire is Class A?
Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.