What is a 40 B fire extinguisher?

For each A, the extinguisher contains the equivalent of 1.25 gallons of water. Thus, an “8A” extinguisher fights Class A fires as well as 10 gallons of water (8 x 1.25 = 10), and a 40A extinguisher offers 50 gallons’ worth of firefighting power. For each B, the extinguisher can stop one square foot of Class B fires.

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

To qualify as a light hazard for the purpose of extinguisher election and placement, the majority of materials in the area must. be noncombustible. What does a rating of 40 on a Class B extinguisher mean. Sufficient extinguishing power for 40 square feet of burning fuel.

What is a Type B fire extinguisher used for?

Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering. Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock.

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 does 4A 80B C mean?

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

Class B: Flammable Liquids-Gasoline, oil, grease, acetone (includes flammable gases).

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What does 3 A 40 B C mean?

3A:40B:C. What do the letters mean in the alpha numeric classification? The letter represents the type of fire that can be put out with a particular extinguisher. Fires are given the following classifications: (A) ordinary combustibles.

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.

Fire safety