What Are The 6 Classes Of Fire?

How many fire classes are there?

five classesFire 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 is a Type D fire?

Class D. Class D fires involve combustible metals, such as magnesium, titanium, and sodium. Extinguishers with a D rating are designed to extinguish fires involving combustible metals. Note: Common extinguishing agents may react with a combustible metal fire causing the severity of the fire to increase.

What are the 6 types of fire extinguishers?

6 Types of ExtinguishersABC Powder Fire Extinguisher. … Carbon Dioxide Fire Extinguisher. … Wet Chemical Fire Extinguisher. … Water Mist Fire Extinguisher. … Foam Fire Extinguisher. … Clean Agent Fire Extinguisher.Dec 7, 2017

What is a Class C fire?

A class C fire is one in which an energized electrical element is the cause of the fire. “Energized” means that the electrical component (whether electrical appliance, wiring, device, etc.) is connected to a power source.

What are the 3 A’s of fire fighting?

6) To remember the rules of fighting fires, just remember the three A’s: Activate, Assist and Attempt.

What kind of fires is ABC extinguisher not good for?

What kinds of fires is a B:C extinguisher not good for? Wood, paper and cloth. The B:C type fire extinguisher is designed to work on electrical fires and burning liquids.

What does ABC mean in fire extinguisher?

Dry Chemical ExtinguishersDry Chemical Extinguishers come in a variety of types. … “DC” short for “dry chem” • “ABC” indicating that they are designed to extinguish class A,B,and C fires, or • “BC” indicating that they are designed to extinguish class B and C fires. “ABC” fire extinguishers are filled with a fine yellow powder.

What are Class K fires?

A Class K fire extinguisher is used on fires involving cooking media (fats, grease, and oils) in commercial cooking sites such as restaurants. … Saponification takes place when alkaline mixtures, such as potassium acetate, potassium citrate, or potassium carbonate, are applied to burning cooking oil or fat.

What are the 3 most common classes 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 are the 5 different classes of fire?

Classes of fireClass 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.Class E – fires involving live electrical apparatus. (More items…

What are the common fire classes?

Understanding fire extinguisher classes There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire.

What are the 4 components of fire?

Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.

How do you stop a Class D fire?

The best way to extinguish these fires is by smothering them & eliminating the oxygen element. The agent also helps to absorb the heat from the fuel. To date, the only type of Class D fire extinguisher is the Dry Powder extinguisher.

What is 10 BC fire extinguisher?

The number 10 indicates that the extinguisher fights Class B fires as large as 10 square feet. It is safe for Class C fires.

What is the difference between ABC and CO2 fire extinguisher?

ABC Powder is a multi-purpose extinguisher medium suitable for all classes of fire, however although effective, a Powder Extinguisher will leave a residue that can damage sensitive electrical equipment. If this is a concern it may be wise to use a CO2 Extinguisher.