
Fire Extinguisher Classes and Suitability
Type of Fire Extinguisher | Fire Extinguisher Suitability |
ABC POWDER | Powder fire extinguishers are ideal for ... |
AFF FOAM | Foam fire extinguishers are ideal for us ... |
CARBON DIOXIDE | CO2 fire extinguishers are suitable for ... |
WATER | Water fire extinguishers are suitable fo ... |
What are the 5 classes of fire extinguishers?
These include:
- Class A – a fire started with normal combustibles such as wood, paper, and cloth.
- Class B – a fire started with flammable and combustible liquids and gases such as gasoline and paints.
- Class C – a fire started by energized electrical equipment such as power transmission cables or wiring.
How to use a fire extinguisher safely and effectively?
Using a fire extinguisher
- Pull: Pull the pin, this will break the tamper seal.
- Aim: Aim low, pointing the nozzle or hose at the base of the fire. ...
- Squeeze: Squeeze the handle to release the extinguishing agent.
- Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
What happens if a fire extinguisher is overcharged?
When and why do fire extinguishers need to be recharged?
- Fire extinguishers need to be recharged immediately after each use. ...
- Fire extinguishers need to be recharged periodically throughout their life, even if they haven’t been used. ...
- Extinguishers can also need to be internally examined or recharged due to damage or other environmental factors that may result in them becoming depressurized.
What type of fire extinguisher do I Need?
• Wood, Paper and Plastic (Type A) Use a Powder ABE, Water, Foam or Wet Chemical extinguisher (Carbon Dioxide has limited effectiveness). • Flammable and Combustible Liquids (Type B) Use a Powder ABE, Powder BE, Foam extinguisher (Carbon Dioxide has limited effectiveness).

What are the 4 types of fire extinguishers used for?
Understanding fire extinguisher classesClass 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.Class C extinguishers are suitable for use only on electrically energized fires.More items...
What are the 5 types of fire extinguishers used for?
There are 5 main fire extinguisher types – Water, Foam, Dry Powder, CO2 and Wet Chemical. To ensure you're adequately protected, and you meet current fire safety regulations, you need to have the right types of fire extinguisher for your business premises.
What is ABC fire extinguisher?
"ABC" fire extinguishers are filled with a fine yellow powder. The greatest portion of this powder is composed of monoammonium phosphate. Nitrogen is used to pressurize the extinguishers. It is extremely important to identify which types of dry chemical extinguishers are located in your area.
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.
What are the different types of fire extinguishers?
There are five primary types of fire extinguishers, each designed to put out different kinds of fires. For use with ordinary materials like cloth, wood and paper. Often found in homes and businesses. For use with combustible and flammable liquids like grease, gasoline, oil and oil-based paints. Often found in homes and businesses.
What is a B-C fire extinguisher?
For use with vegetable oils, animal oils and fats in cooking appliances. There are also multipurpose fire extinguishers that might be labeled "B-C" or "A-B-C.". Most home improvement stores carry multipurpose fire extinguishers that cover Class A through Class C.
Can children use fire extinguishers?
If you’re unsure about whether or not it’s safe to use a fire extinguisher, and for all other situations, alert others, leave the building, and call 911 from a mobile or neighbor’s phone. It is not recommended that children use fire extinguishers.
What type of fire extinguisher is best for a kitchen fire?
What Type of Fire Extinguisher Works Best For a Kitchen Fire? Kitchen fires are termed Class K fires, for which you should use Class B extinguishers. Class K fires occur with flammable cooking media like vegetable oils, animal oils, or fats. There are two kinds of Class B fire extinguishers for kitchen use.
What is a dry chemical fire extinguisher?
Dry Chemical Fire Extinguishers or ABC fire extinguishers are for extinguishing fires of A, B, and C Classes. Foam Fire Extinguishers are for extinguishing fires by flammable gases and liquids and wood and fabrics.
What are the fire extinguishers used in a class B fire?
The fires caused by gasoline are classed as Class B fires, and the fire extinguishers involved with such fires include the following: CO2 Extinguishers. Dry Chemical Extinguishers. Both of these fire extinguishers use compressed gases to stop the fire from spreading.
What kind of fire extinguisher is needed for an office?
Therefore, the kinds of extinguishers required for an office include those with multiple purposes. These are as follows: Air pressurized water fire extinguisher (APW) is for fires caused by wood or fabrics. Carbon Dioxide Fire Extinguisher is for fires caused by combustible liquids.
What is a clean agent fire extinguisher?
Dry chemical fire extinguishers and clean agent fire extinguishers are designed to extinguish fires caused by chemical and electronic sources. The halogenated extinguisher uses a mix of gases that collectively put out Class B and C fires.
What is the best fire extinguisher for a garage fire?
These gases are easy to extinguish once you get to the source but spread incredibly fast. A Class B fire extinguisher is best for flammable and combustible liquids involved in a garage fire.
What are the different types of fires?
Class A Fires – fires caused by combustibles like wood, metal, cloth, paper, rubber, and plastics. Class B Fires – fires caused by flammable liquids like gasoline and grease. Class C Fires – energized electrical fires. All of these classes require different kinds of fire extinguishers to put them out.
When to use a portable fire extinguisher?
Use a portable fire extinguisher when the fire is confined to a small area, such as a wastebasket, and is not growing; everyone has exited the building; the fire department has been called or is being called; and the room is not filled with smoke.
How to operate a fire extinguisher?
To operate a fire extinguisher, remember the word PASS:#N#P ull the pin. Hold the extinguisher with the nozzle pointing away from you, and release the locking mechanism.#N#A im low. Point the extinguisher at the base of the fire.#N#S queeze the lever slowly and evenly.#N#S weep the nozzle from side-to-side. 1 P ull the pin. Hold the extinguisher with the nozzle pointing away from you, and release the locking mechanism. 2 A im low. Point the extinguisher at the base of the fire. 3 S queeze the lever slowly and evenly. 4 S weep the nozzle from side-to-side.
Why is fire a priority?
Because fire grows and spreads so rapidly, the #1 priority for residents is to get out safely. Fire extinguishers are one element of a fire response plan, but the primary element is safe escape. Every household should have a home fire escape plan and working smoke alarms.
Do children have the physical ability to put out fires?
They may not have the physical ability to handle the extinguisher or dexterity to perform the complex actions required to put out a fire. In the process of extinguishing flames, children may not know how to respond if the fire spreads.
Can children be trained to use portable fire extinguishers?
Portable Fire Extinguishers and Children. NFPA believes that children should not be trained how to operate portable fire extinguishers. Teaching children to use portable fire extinguishers runs counter to NFPA messaging to get out and stay out if there is a fire. Furthermore, children may not have the maturity to operate a portable fire ...
What is a water based fire extinguisher?
Water-Based Fire Extinguishers. Water extinguishers combat Class A fires; water mist extinguishers fight both Class A and C fires. Water serves as the extinguishing agent. Since they don't use chemicals, these extinguishers are often used in libraries, schools, and hospitals.
Why is it important to have a fire extinguisher?
Having a fire extinguisher is crucial to the safety of your restaurant, employees, and customers. It is important that you understand the different types of fire extinguishers as well as the associated components and terminology so you can choose the fire extinguisher that's right for your operation.
How big is a fire extinguisher?
Sizes can range from as small as 2.5 lb. to as large as 350 lb. While the largest extinguishers will come with built-in wheels to make transportation manageable, size is always important to consider.
What to do if fire extinguisher is empty?
if the extinguisher is empty, squeeze the lever to ensure all the pressure is released and remove the head.
What is a class A fire?
Class A Fires. Fueled by organic, combustible materials such as wood, cloth, paper, rubber, and many plastics. These fires pose a risk to restaurants with wood-burning stoves, campgrounds, and other outdoor venues.
What is electrical fire?
Electrical fires involving energized electrical equipment, such as short-circuiting machinery and overloaded electrical cables. These are a danger in breaker rooms, server rooms, or any area with a high volume of electrical equipment.
Why is it important to understand fire classes?
It is important that you understand these classes so that you can make an educated purchasing decision when selecting your new extinguisher.
What type of fire extinguisher is used for a energized fire?
In the case of electrical fires, also known as energized electrical fires, a class C fire extinguisher is needed to put it out. If this kind of fire occurs the source ...
What is a class C fire extinguisher?
Another option would be a class C extinguisher that contains carbon dioxide.
Why is CO2 good for fire suppression?
CO2 is great for suppressing fires because it takes the fire’s oxygen source away as well as diminishes the fire’s heat since the CO2 is cold when expelled from the extinguisher.
What are the causes of electrical fires?
Power sources that are directly related to electrical fires can be any of the following: 1 Faulty wiring 2 Overloaded devices 3 A short circuit 4 Power cord damage 5 Overloaded electrical outlets 6 Improperly installed light fixtures
What is the best extinguisher for a fire?
CARBON DIOXIDE. CO2 fire extinguishers are suitable for use on flammable liquid fires and are extremely effective at extinguishing fire involving electrical equipment. CO2 is also one of the cleanest extinguisher agents and leaves no residue behind. WATER.
What is the best fire extinguisher for a fire involving flammable gases?
With a unique class C rating, powder fire extinguishers are the only effective solution for fires involving flammable gases. Foam fire extinguishers are ideal for use on fire involving solid combustible materials and are highly effective on flammable liquid fires.
Why is it important to have a fire extinguisher?
Fire extinguishers are an integral part of the fire safety provisions for any building and it is important to ensure that the correct type of fire extinguisher is installed and maintained.
What is the red body on fire extinguishers?
Fire extinguishers meeting BS EN3 are manufactured with a red body and have a band of a second colour covering between 5-10% of the surface relating to the extinguisher's contents. Each different type of extinguisher agent has a corresponding colour making identification easier for the user.
What is the best way to stop oil fires?
The perfect solution for tackling large burning oil fires, wet chemical extinguishers are ideally suited to the kitchen environment. Water Mist is a new technology that works on the basis of cooling fire, suffocating it and then cooling the burning media to prevent re-ignition using microscopic particles of water.
What is a multipurpose fire extinguisher?
Multi-purpose fire extinguishers are designed to suppress different types of fires. For example, A-B-C fire extinguishers can be used for all three of these types of fires. They can also cover other combinations of fire types, such as A-B or B-C, depending on the extinguisher.
What are the different types of fire extinguishers?
There are different types of fires that extinguishers are designed to fight. These include: 1 Class A – a fire started with normal combustibles such as wood, paper, and cloth. 2 Class B – a fire started with flammable and combustible liquids and gases such as gasoline and paints. 3 Class C – a fire started by energized electrical equipment such as power transmission cables or wiring. 4 Class D – a fire started by flammable metals such as sodium, potassium, and lithium. 5 Class K – kitchen fires.
What is a class B fire extinguisher?
Class B fire extinguishers put down fires that start from flammable liquids and gases. These include oils, fuels, kitchen grease, solvents, and oil-based paints. This makes this type of extinguisher good for use in homes, offices, and workshops.
How many square feet does a Class B fire extinguisher cover?
Class B extinguishers are rated based on the number of square feet of fire they can suppress. For example, A 5-B extinguisher can cover 5 square feet of fire. Other numerical ratings include 1-B, 2-B, 10-B, 20-B, and 40-B.
What is a cartridge operated extinguisher?
Cartridge-operated extinguishers are designed to be rechargeable and separate the propellant (nitrogen, CO2, or dry air) and the extinguishing agent into different cylinders. These types are well-suited for heavy equipment industries and construction sites. They are also built robust and able to withstand harsh environments. Front-line firefighters can be found using this type of extinguisher along with other equipment.
Why is it important to know which fire extinguisher to buy?
Fire extinguishers play a critical role in keeping your work or home safe from devastating fires. Knowing which one to buy is crucial to suppressing a fire if one breaks out. Now that you know which fire extinguisher classes are out there, you can pick which one best suits your safety needs.
How do fire extinguishers put out fires?
Fire extinguishers put out fires by removing one or more of these parts. A fire can only start with all three of these parts present: A fourth part, a chemical reaction, is also necessary between them to ignite a fire. The fire triangle (or fire tetrahedron) has the chemical reaction as the center component.
