For fires involving cooking oils and fats (a Class F fire), a wet chemical extinguisher can be used. The wet chemical fire extinguisher can also be used on Class A fire, but foam or water extinguishers are more common. Dry powder extinguishers smother fires by forming a barrier between the fuel and source of oxygen.
What are the types of fire extinguisher and their uses?
The six main fire extinguisher types are water, foam, CO2, powder, water mist and wet chemical. Each of the different types of fire extinguisher is suitable for different fire classes.
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 are different Coloured fire extinguishers used for?
All new fire extinguishers in the UK are painted with a rich red colour, which is referred to as Signal Red.
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 5 classes of fire extinguishers?
5 Types of Fire Extinguishers
- Class A Fire Extinguishers. Class A fire extinguishers are safe for use on ordinary combustible fires, like those fueled by paper or wood. …
- Class B Fire Extinguishers. …
- Class C Fire Extinguishers. …
- Class D Fire Extinguishers. …
- Class K Fire Extinguishers.
What fire extinguisher is used for electrical fire?
Which extinguishers are suitable for electric equipment? Traditionally, CO2 extinguishers are used for electric equipment, as the CO2 gas does not carry electricity. However, CO2 gas can drift off and the fire can re-ignite.
Which fire extinguisher is used for cooking oil?
Wet Chemical Extinguisher
Wet chemical fire extinguishers are ideal for Class F fires, involving cooking oils and fats, such as lard, olive oil, sunflower oil, maize oil and butter.
What is CO2 fire extinguisher used for?
CO2 fire extinguishers are mainly aimed at electrical fires but are also suitable for Class B liquid fires and are used in different ways depending on the type of fire they are being used on. Do not use CO2 extinguishers in small rooms as CO2 gas is poisonous at only 4% concentration and can kill at just 8%.
What kind of fire extinguisher do I need?
The National Fire Protection Association (NFPA) provides minimum recommendations for the home: Primary Fire Extinguishers – For your main home protection, install a 2-A:10-B:C rated extinguisher on every level of your home – no more than 40 feet apart. Include all locations where a fire may start.
What are Class B and C fires?
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.
What are the 3 main types of fire extinguishers?
OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.
What does a yellow tag on a fire extinguisher mean?
Some fire extinguishers have multiple tags, including one that lists its expiration date and another noting the fire extinguisher’s status. The latter is a status or cylinder tag, and it’s usually yellow. … The type of chemical used in that fire extinguisher will be hole punched.