Class A is for trash, wood, and paper. Class B is for liquids and gases. Class C is for energized electrical sources.
Where are AB and C extinguishers used?
An extinguisher with an ABC rating is suitable for use with fires involving ordinary combustibles, flammable liquids and energized electrical equipment. An extinguisher that is rated for use with multiple hazards should include a symbol for each hazard type.
What is in a class B and C fire extinguisher?
BC Fire Extinguishers are considered a Dry Chemical Extinguisher. They can put out both Class B and C fires caused by flammable liquids (B) and energized electrical equipment (C). They are filled with either potassium or sodium bicarbonate.
What can Class C extinguishers be used on?
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 is ab fire extinguisher?
September 3, 2019. ABC Fire Extinguishers use monoammonium phosphate, a dry chemical with the ability to quickly put out many different types of fires by smothering the flames. This pale, yellow powder can put out all three classes of fire: Class A is for trash, wood, and paper.
What is a 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. … Well it’s definitely not a shoe size, but a specific arrangement of combustibles used to test the extinguisher.
What is a Class B and C fire?
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 kinds of fires is AB C extinguisher not good for?
3. What kinds of fires is a B:C extinguisher not good for? Wood, paper and cloth.
How do I choose a fire extinguisher?
Every household extinguisher is labeled A, B, or C, which tells you the types of fires the extinguisher is effective against. A is ordinary combustibles like wood, paper, and cloth; B is flammable liquids, such as gasoline or cooking oil; and C is live electricity.
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 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.
Which fire extinguisher is suitable for Class C fire?
A Class C fire requires an agent that can break apart the elements that feed a fire: oxygen, heat, and fuel. Carbon dioxide (CO2) extinguishers smother a fire by eliminating the oxygen. They also suppress the fire’s heat because their discharge is very cold.
What Class C fires involve?
Class C fires involve electrical equipment, such as appliances, wiring, circuit breakers and outlets. Never use water to extinguish class C fires – the risk of electrical shock is far too great! Class C extinguishers do not have a numerical rating. The C classification means the extinguishing agent is non-conductive.
Should you use a foam extinguisher on a Class C fire?
The foam extinguisher can only be used on Class A and Class B fires only. If used on Class C fires, it will create a shock hazard. This type of fire extinguisher takes away the oxygen from a fire and removes the heat with a cold discharge.