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.
As part of a fire extinguisher’s classification, the numbers on the label can mean either: How much water would be required to match the agent’s power against Class A fires. The square footage of Class B fires the agent can extinguish. For each A, the extinguisher contains the equivalent of 1.25 gallons of water.
What Do the Letters and Numbers Mean on Your Fire …
What do the Numbers on Fire Extinguishers Mean? The numbers you might see accompanying the letter class of a fire extinguisher refer to the extinguishers size rating for class A and B fires. Other classes don’t have such a rating. For class A fires, the number corresponds to its effectiveness relative to 1 ¼ gallons of water.
The numbers you might see accompanying the letter class of a fire extinguisher refer to the extinguishers size rating for class A and B fires. Other classes don’t have such a rating. For class A fires, the number corresponds to its …
People Also Ask what does the number on fire extinguisher mean
What do the numbers mean on a fire extinguisher?
Class A extinguishes fires on typical combustibles like wood, plastic, or paperClass B extinguishes flammable liquids like gas and oilClass C extinguishes electrical firesClass D extinguishes fire involving metalClass K extinguishes typical kitchen fires involving oil and grease
What is the difference between 5BC and 10BC fire extinguisher?
What is the difference between 5BC and 10BC fire extinguisher? In our tests, the 10BC units discharged only a fraction of a second longer than the 5BC, hardly “twice” anything. The 10BC, on average, discharged only 25% more fire suppressant than the 5BC. What is the best size fire extinguisher for home use?
What is a 10 B fire extinguisher?
Product OverviewShop all Kidde fire safety products hereExplore Kidde curated fire safety kits; all products to protect your home from fire in one packageUL rated 10 B:C for liquid or gases (Class B fire) or energized electrical fires (Class C)Sodium Bicarbonate dry chemical; specifically designed for use in the kitchen6-8 ft. …Supplied with mounting bracket
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What does a b – 1 fire extinguisher do?
What is b1 fire extinguisher? Class A fires have a solid combustible fuel source like wood or paper. 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.
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What is FIRE EXTINGUISHER? What does FIRE EXTINGUISHER mean? FIRE EXTINGUISHER meaning Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher