Fire Extinguisher Size Ratings. 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. 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 …
What Do the Numbers Mean On a Fire Extinguisher?
In the case of a fire, it is critical to use the right fire extinguisher for the job. Selecting the wrong one can actually be more dangerous and contribute to hazards like explosions or electrical shocks. Fire extinguishers are sold with class ratings: class A, Class B, and Class C, determined by the contents. Each class is identified with a symbol and pictogram representing the type of …
People Also Ask what class of fire extinguisher includes a number
What is a Class A fire extinguisher used for?
What kind of fire extinguisher can be used on a small paper fire? Fire extinguishers with a Class A rating are effective against fires involving paper, wood, textiles, and plastics. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.
What is a Class A fire extinguisher made of?
What is a Class A fire extinguisher made of?The Label. Class A – Used with ordinary combustibles, ex – wood.Dry Chemicals. Mono ammonium phosphate – NH6PO4 – used in Class A, B and C fire extinguishers.Wet Chemicals.Halotron.Carbon Dioxide.Metal Powders.
What are the 5 types of fire extinguishers?
“KABSON” Fire Fighter produces a variety of 5 main types of fire extinguisher models, sizes, and types. All of our fire extinguishers are built to strict national (ISI, BIS) and international (CE) specifications. ABC Type, Clean Agent, Carbon Dioxide Type, Water and Foam Type, and many other types are available.
What are the ingredients in a fire extinguisher?
Pull the pin.Aim the nozzle at the base of the fire. Hitting the tops of the flame with the extinguisher won’t be effective.Squeeze the trigger. In a controlled manner, squeeze the trigger to release the agent.Sweep from side to side. Sweep the nozzle from side to side until the fire is put out.
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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