Quick Answer: What is a 30b fire extinguisher?

What does B mean on fire extinguisher?

Class B Extinguishers should be used on fires involving flammable liquids, such as grease, gasoline, oil, etc. The numerical rating for this class of fire extinguisher states the approximate number of square feet of a flammable liquid fire that a non-expert person can expect to extinguish.

What does e mean on a fire extinguisher?

Class C Fires – involving combustible gases like LPG, Natural gas and acetylene. … Class E Fires – where the ignition source contains electrical equipment such as motors, switchboards and electrical appliances. NEVER use on live electrical equipment. Class F Fires – involving cooking oils and fats.

What is a 20B fire extinguisher?

The Class B size rating indicates the square footage the extinguisher can cover. 20B means that as long as you sweep the nozzle side to side, there is enough extinguishing agent inside the canister to provide 20 square feet of coverage.

What is the difference between 5BC and 10bc fire extinguisher?

For instance, the most commonly carried unit, the 10 BC, which contains 2.75 pounds of dry chemical fire suppressant, is rated “twice as effective” as the 5BC, which has two pounds of chemical, in fighting fuel and/or electrical fires.

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What extinguisher is Class C?

Tackling A Class C Fire

The only extinguisher which is safe to use on a Class C fire is a dry powder extinguisher. It works by cooling the flames until there is no longer enough heat to keep them burning. But using any other type of extinguisher will instead just spread the fuel and flames.

What are the 4 types of fire?

Wet chemical extinguishers

Although they are primarily designed for use on Class F fires, cooking oils and deep fat fryers. They can also be used on Class A fires (wood, paper and fabrics) and Class B fires (flammable liquids). Wet chemical extinguishers have a yellow label.

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.

  • Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
  • Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.

What does a black label on a fire extinguisher mean?

Label Colour: Black – Carbon Dioxide (CO2) Extinguishers

CO2 extinguishers have black labels and are mainly used for electrical fires, although they are also usually the main type of extinguisher used in computer server rooms. They also put out Class B (flammable liquid) fires.

What does 4A 80B C mean?

Amerex B456 – 10 lb ABC Fire Extinguisher 4A:80B:C

ABC or Multi-Purpose Fire Extinguishers can be used on Class A, B, or C fires. Class A: Wood, Paper, cloth, trash, plastics (solids that are not metals). Class B: Flammable Liquids-Gasoline, oil, grease, acetone (includes flammable gases).

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What is a 2A 10BC fire extinguisher?

What is an “ABC” fire extinguisher and what do the numbers 2A 10BC mean? … The numbers in front of the letters represent the relative amount of that type of fire which the extinguisher will put out. So a 2A 40BC fire extinguisher will put out 4 times more of a “B” fire (flammable liquid) than a 2A 10BC fire extinguisher.

What does 10 BC fire extinguisher mean?

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.

What are Class B and C fires?

Class B fires which involve flammable liquids and gases, solvents, oils, greases (excluding cooking oils/greases in depth) tars, oil-based paints and lacquers. Class C fires which involve energized electrical equipment.

What is the best type of fire extinguisher for a boat?

Use a Class C fire extinguisher. 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.

What is a Class D fire extinguisher?

Class D fires involve combustible metals, such as magnesium, titanium, and sodium. Extinguishers with a D rating are designed to extinguish fires involving combustible metals. Note: Common extinguishing agents may react with a combustible metal fire causing the severity of the fire to increase.

What are the different sizes of fire extinguishers?

The size of a fire extinguisher indicates the amount of extinguishing agent it holds and is most often measured in pounds. Sizes can range from as small as 2.5 lb. to as large as 350 lb.

Common fire extinguisher sizes and their approximate weight

  • 2-A:10B:C – 4 lb.
  • 3-A:40B:C – 5 lb.
  • 4-A:60B:C – 10 lb.
  • 10-A:80B:C – 20 lb.
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