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. …
P – PULL the pin. A – AIM low at the base of the fire. S – SQUEEZE the lever slowly and evenly. S – SWEEP the nozzle from side to side. Keep the room’s exit to your back, so you can get out quickly if needed. If the …
What do the A B C ratings mean on Fire Extinguishers?
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 …
ABC fire extinguisher is a dry chemical extinguishing agent used on class A, class B, and class C fires. The ABC fire extinguisher contains dry chemical, usually a mixture of monoammonium phosphate and ammonium sulfate, the former being the active one. This type of fire extinguisher leaves a sticky residue after use that may be damaging to electrical …
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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 “A” fire extinguisher?
To achieve a Class “A” rating, the extinguisher must be capable of putting out the wood crib, wood panel and excelsior (shredded paper) tests. Ratings are based on the size of the material that can be repeatedly extinguished.
What chemicals are used in a Class B fire extinguisher?
The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials. 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.
What is a fire extinguisher used for?
Fire extinguishers are an invaluable tool to help fight smaller fires or to protect evacuation routes in the event of a larger one. Knowing how to use one in an emergency is critical.
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Kidde Pro 2.5lb BC Fire Extinguisher | Extinguisher Overviews – Episode 1 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher