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.
The ABC fire extinguishers are multipurpose and use a dry chemical called monoammonium phosphate to put out A, B, and C fires which are described as follows: Class A flames are caused by wood, cloth, or paper. Class …
ABC Fire Extinguishers – About | Kidde
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 …
Multipurpose Dry Chemical (A,B,C) The jack-of-all-trades of fire protection, the Multipurpose Dry Chemical extinguisher is lighter and more versatile than the previous two types. Unlike the CO2 extinguisher, it has a pressure gauge to allow you to check the …
People Also Ask a b c fire extinguisher
What is an ABC fire extinguisher?
The dry chemical in an ABC fire extinguisher puts out multiple fire sources: grease, oil, wood, clothes, papers, liquids, gases and energized electrical sources. The only downside is that the ABC extinguisher leaves a heavy residue that gets into the nooks and crannies of the kitchen appliances and is hard to clean up afterward.
What is a Class B fire extinguisher used for?
Fire extinguishers with a Class B rating are effective against flammable liquid fires. These can be fires where cooking liquids, oil, gasoline, kerosene, or paint have become ignited. Two commonly used chemicals are effective in fighting these types of fires.
What size ABCABC fire extinguisher do I need for my home?
ABC fire extinguishers come in different sizes: from 2 to 10 pounds and designs that can be mounted in various locations, including above stoves. All of these options have their own pros and cons, including: Keep in Mind! A 10-pound fire extinguisher is perfect for home, garage, or workshops where the fire spreads without being noticed.
What chemicals are used in fire extinguishers?
Two commonly used chemicals are effective in fighting these types of fires. Monoammonium phosphate effectively smothers the fire, while sodium bicarbonate induces a chemical reaction which extinguishes the fire. Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment.
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