While Class A is the most common type of fire, involving wood, paper, or textiles, Class B fires involve more than these standard combustible materials. A Class B fire includes elements like flammable liquids, which can make putting out this type of fire much more complicated. In this article, we explain exactly what a Class B fire is, as well as how to extinguish and prevent this …
Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish. To achieve a Class “A” rating, the extinguisher must be capable of putting out the wood crib, wood panel and excelsior (shredded paper) tests.
Fire Extinguisher Classes (A,B,C Ratings) – Creative Safety …
Class B Rating: Extinguishers with a Class B rating are meant for putting out fires cause by flammable liquids such as gasoline, oil, and paint. Identified as the letter B inside a red square. Class C Rating: Class C extinguishers are designed to be used on fires involving live electrical equipment. Identified with the letter C inside a blue circle.
People Also Ask what does a class b fire extinguisher put out
Can a Class A fire extinguisher be used on a Class B fire?
Ensuring that you extinguish a Class B fire using the correct type of fire extinguisher is detrimental to making sure your fire does not continue to spread. While Class A fire extinguishers are the most common types of fire extinguishers, they should never be used when extinguishing a Class B fire.
How does a Class K fire extinguisher work?
Class K fire extinguishers are well designed to put out fires starting from greases, cooking fats, and kitchen oils. This makes them well suited for use in restaurants and home kitchens. They put out fires by a process called saponification.
How do you identify a Class A fire extinguisher?
Each class is identified with a symbol and pictogram representing the type of fire it will put out. Class A Rating: Class A fire extinguishers are meant to be used against fires involving paper, wood, plastic, cloth and other ordinary combustible materials. Identified with the letter A inside a green triangle.
What are the different types of fires that extinguishers are designed to fight?
There are different types of fires that extinguishers are designed to fight. 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.
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ABC Extinguishers repeatedly fail to put out Class B fires. Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher