The letters stand for the class of fire the extinguisher can be used against: A – ordinary combustibles (wood, paper, plastic, etc.) The numbers indicate how much of the fire can be put out by the fire extinguisher. Every number before the A means it is as effective as 1 ¼ gallons of water.
The letter on a fire extinguisher indicates its classification: Class A puts out ordinary combustible fires (wood, paper, plastic, etc.) Class B puts out flammable liquid fires (oil, gas, petroleum, etc.) Class C puts out electrical fires.
Fire extinguisher servicing and labelling: All you need to …
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The letters on a fire extinguisher directly correlate with the type of fire it’s equipped to face. Class A: Easily the fire you’re most likely to encounter, Class A means common combustibles like paper, plastic, wood, cloth, etc. are fuelling the fire. Classic Class A fire extinguishers use simple pressurized water to suppress these simple fires, although most fire …
People Also Ask what does the label on a fire extinguisher tell you
What information should be on a fire extinguisher label?
Labelling must be attached to the extinguisher and should contain such information as, when it was tested, by whom and the next test due date. Failure to comply with these regulations is in contravention of the applicable regulations, and could lead to prosecution under the Health and Safety at Work act.
What do the letters on a fire extinguisher mean?
The letter on a fire extinguisher indicates its classification: Class A puts out ordinary combustible fires (wood, paper, plastic, etc.) Class B puts out flammable liquid fires (oil, gas, petroleum, etc.) Class C puts out electrical fires
How do I know if my fire extinguisher is working properly?
The extinguisher has an acceptable reading indicated in the pressure gauge. The seals or tamper indicators are not broken or missing. Fire extinguishers should be pressure tested periodically to ensure that the cylinder is safe to use.
What do the numbers on a Class B fire extinguisher mean?
Class B fire extinguishers have a slightly different numerical assignation. The number attached to these indicates how many feet of coverage the fire extinguisher can provide if swept back and forth. For example, a 15B extinguisher means that 15 feet of spray can be laid down. These can be combined on multi-class extinguishers.
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Fire Extinguisher Labeling 25-0 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher