Class A. Class A fires involve
ordinary combustible materials
, such as cloth, wood, paper, rubber, and many plastics. Extinguishers with an A rating are designed to extinguish fires involving these ordinary combustible materials.
What is class A fire extinguisher?
| 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. |
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What can Class A extinguishers be used on?
Class A: Class A Fire Extinguishers are used for
fires
that involve carbonaceous solids like paper products, fabrics or textiles, wood-based products, plastics, and rubber-based products.
What do you use on a Class A fire?
Luckily, Class A fires are the easiest type to extinguish. The Fire Equipment Manufacturer’s Association recommended using
a water or foam fire extinguisher
on Class A fires. You can also use water to douse the fire, as it can remove the fire’s heat supply.
What is the best extinguisher for a Class A fire?
Dry chemical fire extinguisher
: Dry chemical extinguishers extinguish the fire by interrupting the chemical reaction of the fire triangle. They’re most effective on Class A, B and C fires. CO2 fire extinguisher: Carbon dioxide extinguishers take away the oxygen element of the fire triangle.
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.
Where can you use class A fire extinguisher?
Fire extinguishers with a Class A rating are effective
against fires involving paper, wood, textiles, and plastics
. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.
How do you use a Class A fire extinguisher?
- Pull the pin. Hold the extinguisher with the nozzle pointing away from you and release the locking mechanism.
- Aim low. Point the extinguisher at the base of the fire.
- Squeeze the lever slowly and evenly.
- Sweep the nozzle from side-to-side.
What is type of fire?
Classes of fire
Class A – fires involving solid materials
such as wood, paper or textiles. Class B – fires involving flammable liquids such as petrol, diesel or oils. Class C – fires involving gases. Class D – fires involving metals.
What are the 4 types of fires?
What are the fire safety rules?
Class A – fires involving solid materials
such as wood, paper or textiles. Class b – fires involving flammable liquids such as petrol, diesel or oils. Class c – fires involving gases.
What are the 3 methods of extinguishing a fire?
All fires can be extinguished by
cooling, smothering, starving or by interrupting the combustion process
to extinguish the fire. One of the most common methods of extinguishing a fire is by cooling with water.
How do you stop an electrical fire?
- Disconnect the Electricity. First, disconnect the electricity to the source of the fire. …
- Use Baking Soda for Small Electrical Fires. If the fire began in an appliance or an overloaded cord, once you’ve unplugged the power source, toss baking soda over the flames. …
- Never Use Water While the Power Is On.
How do you put out a Class B fire?
To extinguish a Class B fire, you want to cut off the oxygen. You can use
carbon dioxide gas
to dilute the oxygen available and stop the burning. Smothering the fire with bicarbonate (baking soda) or potassium carbonate will also work.
Can you put out a benzene fire?
Benzene can be extinguished by the use of
water fog or high-pressure water spray, foam, dry’ chemical
, or carbon dioxide, depending on the amount spilled, the surface area of the burning liquid, wind and weather conditions, and resources available.
What are the 5 types of fire?
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 the 5 main 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.
