What do numbers mean on fire extinguisher?
Each whole number increase in the rating increases the panel dimensions by 2 feet. The number before the B indicates the area of the liquid spill, which is burning, that the extinguisher can extinguish. A 1B rating would extinguish a 2.5 square foot liquid fire and a 2B would extinguish a 5 square foot liquid fire.
What does 1 A 10 BC mean on fire extinguisher?
Weight: 2.5 Pounds. 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.
What does the letter and number indicate on a fire extinguisher?
The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. Type A fires are of combustible solids such as wood. On Type A extinguishers, the number relates to how many gallons of water the extinguisher is equal to for a Type A fire.
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).
What does 2 A 10 BC 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 does the ABC stand for on a fire extinguisher?
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 fire extinguishers can be used on electrical fires?
Carbon Dioxide (CO2) Extinguishers CO2 extinguishers are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires.
What fire extinguisher is most commonly used?
multipurpose dry chemical