So lets break that down, the “A” means it can be used to extinguish class A normal combustibles like paper wood and cloth. The “2” in front of the A means it is equal to using 2 gallons of water. The “B” means it can be used to put out flammable liquid fires.
What does the letter B on B 1 fire extinguisher indicate? Because gasoline fires are the most common type of boat fire, marine-rated Class B fire extinguishers are the class required on most boats. The number after the B, for example a B1 or B2 extinguisher, indicates the capacity of the extinguisher.
What Do the Letters and Numbers Mean on Your Fire …
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.
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.
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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 letters on a fire extinguisher mean?
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.
What does 15B mean on a fire extinguisher?
For example, a 15B extinguisher means that 15 feet of spray can be laid down. These can be combined on multi-class extinguishers. And while not applicable to other classes, can be useful to gauge the effectiveness of your extinguisher against the size of the fire you’re fighting.
What does 3A mean on a fire extinguisher?
If you see an extinguisher with “3A” that means it would be as effective as using 3 ¾ gallons of water on the fire. This helps gauge just how large a fire you can tackle.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher