What does the number indicate on a fire extinguisher

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 determines the number of fire extinguishers required? The number identifies the amount of firefighting agent that the fire extinguisher has: The greater the number, the more fire-fighting agent in the extinguisher (for example, a Class 3 fire extinguisher can put out a larger fire than a Class 2 extinguisher).

#207 – What Does the Number on a Fire Extinguisher Mean?

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.

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The typical home fire extinguisher available at the home center is marked with a series of numbers and letters to indicate what type and how large of a fire the extinguisher can be used on. The letters indicate the type material the extinguisher can be used on; A for combustible solids (paper, wood and trash), B for combustible liquids (gasoline, oil, acetone) and C for …

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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?

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What size fire extinguisher do I need for my home?

The living room should have a 2A: 10: B: C or 5-10 pounds fire extinguisher every 40 feet.The garage with inflammable objects should have a 3A: 40B-C or 5-10 pounds fire extinguisher installed.The kitchen should have a 2.5 pounds extinguisher.

What size fire extinguisher do I need for my business?

What size fire extinguisher does my business need?Fire Risks: Be aware of the unique hazards within your operation. …Room Size and Materials: The size of a room and how it’s organized are important as well. …Employee Ability: A fire extinguisher is only as effective as the individual controlling it, so be sure that your employees can handle the one that you choose. …

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What size is a 2a10bc fire extinguisher?

These numbers are a UL/ULC rating that indicates the amount of firefighting capacity with the square feet covered for the type of fire. Therefore a 2A: 10 BC extinguisher means 2.5 gallons of water (firefighting capacity) for 10 square feet covered for a BC Type fire.

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