What does the number on the extinguisher mean?

What does the number on the extinguisher mean?

The numbers indicate the size rating of each extinguishing agent. 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. The Class B size rating indicates the square footage the extinguisher can cover.

What does the number on the bottom of the fire extinguisher mean?

The rating number that indicates the extinguishing capability, information on how much dry chemical should be in the fire extinguisher, and the suitable temperatures in which the agent will operate are on the label, as shown in the Photos 2, 2a, and 2b below.

What do codes on fire extinguishers mean?

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 electrical equipment. The number before the A indicates the size of a wood panel that can be extinguished,.

What does 1 A 10 BC mean on fire extinguisher?

Classification: 1A:10B:C. Good for: The smallest fires including those in the home or vehicles. It provides the equivalent of 1.25 gallons of water against Class A fires. The number 10 indicates that the extinguisher fights Class B fires as large as 10 square feet. It is safe for Class C fires.

How do you read a fire extinguisher rating?

Fire Extinguisher Ratings Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.

What is Step 1 of the pass technique?

It’s easy to remember how to use a fire extinguisher if you can remember the acronym PASS, which stands for Pull, Aim, Squeeze, and Sweep. Pull the pin. This will allow you to discharge the extinguisher.

What is a 80 BC fire extinguisher?

Class ABC, ULC 6A-80BC, with wall hook. Recommended for use on class A fires (wood, paper, fibers) and class B fires (flammable liquids and gas). Suitable for use on live electrical equipment (class C fires). Extinguishing agent contains monoammonium phosphate (yellow powder).

What does a rating of 40 on a Class B fire extinguisher mean?

What does a rating of 40 on a class B extinguisher mean? Sufficient extinguishing power for 40 square feet of burning fuel.

What does the letter B on a B 1 fire extinguisher indicate?

Answer: The letter “b” indicates it is effective against flammable liquid fires. Step-by-step explanation: The letters on fire extinguishers represents the class of fire for which they can be used.

What is the abbreviation for the 4 steps to use a fire extinguisher?

It’s easy to remember how to use a fire extinguisher if you can remember the acronym PASS, which stands for Pull, Aim, Squeeze, and Sweep.

What do the numbers and letters mean on a fire extinguisher?

Fire extinguishers use a classification system that uses letters and numbers. The letter represents the class of fire the extinguisher can be used on. The number represents the effectiveness. For instance, if a fire extinguisher has a 1-A rating, it can control class A fires and can dispense the equivalent of 1.25 gallons of water.

What do the ratings mean on fire extinguishers?

The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish. To achieve a Class “A” rating, the extinguisher must be capable of putting out the wood crib, wood panel and excelsior (shredded paper) tests. Ratings are based on the size of the material that can be repeatedly extinguished.

How are fire extinguishers classified by fire type?

Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.

What does 4b mean on a fire extinguisher?

So 4B means the fire extinguisher can douse a 4-square-foot fire caused by flammable liquids. Class C extinguishers don’t have any numbers associated with them.