What does 21A mean on a fire extinguisher?

What do fire extinguisher numbers mean?

The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. … On Type A extinguishers, the number relates to how many gallons of water the extinguisher is equal to for a Type A fire. Type B fires are of flammable liquids such as gasoline or oil.

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 are the 4 types of fire extinguishers?

There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.

What is 13 a fire extinguisher?

Fire extinguishers for use on Class A fires, flammable solids such as paper, wood, textiles, are rated on their ability to extinguish test fires. The test rating is clearly displayed on the extinguisher label. … As a general rule one 13A extinguisher covers 200 square meters.

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What does ABC mean for fire extinguishers?

Dry Chemical Extinguishers come in a variety of types. You may see them labeled: • “DC” short for “dry chem” • “ABC” indicating that they are designed to extinguish class A,B,and C fires, or • “BC” indicating that they are designed to extinguish class B and C fires.

What does 2A 10bc mean?

A fire extinguisher that is rated 2A:10 BC means it has a fire fighting capacity equivalent to: 2.5 Gallons of Water and 10 Square Feet for a BC Type Fire.

What is the best defense against fire?

As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.

What are the ratings for fire extinguishers?

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.

Tame a raging fire