There is a number rating for fire extinguishers classified for use on type A or B Fires. For Type A fires, a 1 would have the equivalent of 1¼ gallons of water, a 2 would be equivalent to 2½ gallons, 3 would be 3¾ gallons of water, and so forth.
What does 2A fire extinguisher mean?
Fire Extinguisher Size Ratings
The Class A size rating represents the water equivalency. 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.
What does 2A 10BC mean on a fire extinguisher?
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 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. … 40BC, with five pounds of chemicals, would be even more effective.
What does 1 A 10 B C mean on a 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.
What are the 3 different types of fire extinguishers?
OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.
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 is 2A 10B C?
With a UL rating of 2A:10B:C, these extinguishers are as effective in battling fire as 2.5 gallons of water and can fight 10 square feet of Class B fire.
What does 4A 80B C mean?
Tall Buckeye ABC Dry Chemical Extinguisher 4A:80B:C is designed for use on Class A fires (ordinary combustibles), Class B fires (flammable liquids and gases), and Class C fires (energized electrical equipment). … A wall bracket is included with each extinguisher.
How do I know what size fire extinguisher I need?
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.
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 the difference between a B1 and B2 fire extinguisher?
Specifically, a B-I must contain 2lb of dry chemical while a B-II must contain 10lb. It is therefore possible that your boat could carry a full set of extinguishers, none of which is intended to fight all three kinds of fires.
What does ABC mean on 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 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 30B fire extinguisher?
Steel cylinder powder coated red with large easy to use handles. This extinguisher is refillable. Powder content is Mono-Ammonium Phosphate ABE type (85% MAP content). Rating: 3A:30B:E.
What is a Type B 1 fire extinguisher?
B-1 Extinguishers are USCG approved and meet the need for a Type B, Size 1 USCG approved Fire Extinguisher. Amerex B-I Fire Extinguishers must be: Dry Chemical, ABC, or Purple K: 2 lbs or larger. Carbon Dioxide (Co2): 5 lbs or larger. Halon: 2.5 lbs or larger.