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 the 7 types of fire extinguishers?
The eight different types of fire extinguishers include specialist dry powder, standard dry powder, foam, water spray, water mist, water spray, wet chemical and carbon dioxide. There is no single fire extinguisher that can be used on all classes of fire.
What is an AFFF fire extinguisher?
AFFF (Aqueous Film Forming Foams) Foam Fire Extinguishers are suitable to fight burning solids such as wood as well as liquid fires such as burning petrol. The foam has the ability to creep over the burning liquid or to soak into burning materials such as settees.
What is 13A fire extinguisher?
So for example, a water additive stored pressure extinguisher coded 13A will extinguish a Class A fire of freely burning combustibles of size 13. …
What are the 5 fire classifications?
Fire is divided into five classes (A, B, C, D, and K) that are primarily based on the fuel that is burning. This classification system helps to assess hazards and determine the most effective type of extinguishing agent.
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 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 are the 4 types of fire extinguishers PDF?
There are five main types of fire extinguishers:
- Carbon Dioxide (CO2).
- Wet chemical.
What are the 6 classes of fire?
Fires are classified in six groups A, B, C, D, F and electrical:
- 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)
Can Afff be used on electrical fires?
AFFF (Aqueous Film Forming Foam) fire extinguishers are ideal for any office environment. … These extinguishers also have a conductivity rating of 35kV which means that, although they are not designed for use on electrical fires, they can be safely used on typical electrical office equipment.
Which extinguisher is best used on a deep fat fryer?
The ONLY fire extinguishers safe for deep fat fryers are wet chemical extinguishers! Never use traditional foam or powder extinguishers on burning fat or oil. If you use wet chemical extinguishers, make sure you empty the entire content of the extinguisher on the oil, even if the flames have been doused already!
What is fire rating 34B?
The fire rating of the particular extinguisher is indicated by a number and letter, e.g. 34B. The number indicates the size of fire it can extinguish. The size of the fires indicated are for fires put out under test conditions and the larger the number, the larger the fire it can extinguish.
What is the best size fire extinguisher for home use?
Here’s my recommendation, choose a 5-10 lb. extinguisher for your garage or home workshop, especially if you have flammables, electrical equipment, etc. A 2.5 lb. for your kitchen or laundry room.