What are the 4 classes of fires?
What are the 4 classes of fires?
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.
- Class E – fires involving live electrical apparatus. (
What are Class K fires?
Class K fires involve vegetable oils, animal oils, or fats in cooking appliances. Extinguishers with a K rating are designed to extinguish fires involving vegetable oils, animal oils, or fats utilized in commercial cooking appliances.
How are fires classified?
Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach. In fact, trying to fight a blaze with the wrong method might make the situation worse.
Which is an example of a Class A fire?
Class A. Class A fires are defined as ordinary combustibles. These types are fires use commonly flammable material as their fuel source. Wood, fabric, paper, trash ,and plastics are common sources of Class A fires. This is essentially the common accidental fire encountered across several different industries. Trash fires are one such example.
What’s the difference between Class B and K fires?
Class B fires are a common hazard in industries dealing with fuels, lubricants, and certain types of paint. Smothering these types of fires to remove oxygen is a common solution as are chemical reactions that produce similar effects. Note that cooking fires have their own classification and are defined as Class K fires.
What to use to extinguish a Class K fire?
When confronted with such a fire, common extinguishing agents such as water are ineffective and can be hazardous. To extinguish a Class D fire, use a dry powder agent. This absorbs the heat the fire requires to burn and smothers it as well. A Class K fire is defined as a cooking fire involving combustion from liquids used in food preparation.
What are the five classes of fire extinguishers?
Fire extinguishers are specialized pieces of equipment that are designed to put out fires of different classes. Fire extinguisher ratings are based on the five classes of fires. Do you have the right fire extinguishers for your unique risks?