Every fire extinguisher has an alphanumeric rating that tells you what types of fires it can extinguish as well as the size of fire it can put out. For example, 2A means the fire extinguisher is as effective as 2 ½ gallons of water, and so on. Click to see full answer.
The numbers indicate the size rating of each extinguishing agent. Here’s how it works: The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water.
What does 2 a fire extinguisher mean? – Fire safety
Here’s how it works: The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. What is a 3 a fire extinguisher? There is a number rating.
A fire extinguisher with a 1A rating is equivalent to 1.25 gallons of water. A 2A rating equals 2.5 gallons of water and a 4A rating equals 5 gallons of water. Similarly, it is asked, how do you tell what size a fire extinguisher is? Fire Extinguisher Size Ratings For Class A fires, this rating is expressed as a number from 1-40. For Class B fires, it is expressed as a …
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What is the difference between a 1A & 2A fire extinguisher?
A-rated fire extinguishers put out fires fueled by wood, paper or cloth. A higher number means the extinguisher can battle a bigger blaze. A fire extinguisher with a 1A rating is equivalent to 1.25 gallons of water. A 2A rating equals 2.5 gallons of water and a 4A rating equals 5 gallons of water.
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
What does class a mean on a fire extinguisher?
Here’s how it works: The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water.
What does 4A 20B C mean on a fire extinguisher?
You might come across a fire extinguisher labeled 4A:20B:C. The numbers indicate the size rating of each extinguishing agent. Here’s how it works: The Class A size rating represents the water equivalency.
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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