B on fire extinguishers generally means that it can be used to put out flammable liquid fires. B1 means it will do so, but not especially well (1 is the lowest ranking).A is for flammable solids …
The B indicates the fire extinguisher will put out Flammable liquid fires or burning fluids (such as grease or oil used for cooking). Class A extinguishers are good for paper, wood, textiles and plastics.
What does the B on a b1 fire extinguisher indicate?
Type A is good against ordinary combustibles such as paper, wood and trash. Type B is for flammable liquids such as gasoline or grease. Type C is intended for putting out fires in electrical equipment. The best recommendation is to get a universal fire extinguisher, which can help with all three types of fires.
You can use water, or a Class A fire extinguisher, to put out this type of fire.Class B fires, on the other hand, have a flammable liquid fuel source, like gasoline.The number after the B, for example a B1 or B2 extinguisher, indicates the capacity of the extinguisher.
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What does the B mean on a fire extinguisher?
The B indicates the fire extinguisher will put out Flammable liquid fires or burning fluids (such as grease or oil used for cooking). Class A extinguishers are good for paper, wood, textiles and plastics.
What do the numbers on a fire extinguisher mean?
The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish. Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc.
What type of fire extinguisher should you use?
You can use water, or a Class A fire extinguisher, to put out this type of fire. Class B fires, on the other hand, have a flammable liquid fuel source, like gasoline.
How does a fire extinguisher work?
Some fire extinguishers work by displacing oxygen gas using carbon dioxide, removing contact between the combustible material and oxygen, or cooling the surface to avoid re-ignition or spreading of flames.
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Classification Tip 2.5.1 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher