Quick Answer: What does 3A mean on a fire extinguisher?

What does 3A 40 BC mean?

This 3-A:40-B:C rated fire extinguisher is suitable for light manufacturing, dining area, auto showroom, parking garage and storage areas. Multipurpose Dry Chemical. ULC-rated 3-A:40-B:C. Supplied with wall hook. Suitable for use on fires common to the home and office.

What is a 3A 10 BC fire extinguisher?

Class ABC, ULC 3A-10BC, with wall hook. Strike First model: SF-ABC310. Recommended for use on class A fires (wood, paper, fibers) and class B fires (flammable liquids and gas). Suitable for use on live electrical equipment (class C fires). Extinguishing agent contains monoammonium phosphate (yellow powder).

What is a 2A fire extinguisher?

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 10A mean on fire extinguisher?

The ratings on ABC fire extinguishers vary, but let’s say the one available to you is 10A:120B:C. This means that the extinguisher is equivalent of having 12.5 gallons of water to fight a Class A fire and could cover 120 square feet of a Class B fire.

IT IS IMPORTANT:  Do bonfires pollute the air?

What does 2A 10BC mean on a fire extinguisher?

Make sure to aim at the base of the flame! 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 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 are the 4 types of fire extinguishers?

Understanding fire extinguisher classes

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 a 5 B fire extinguisher?

Fire Away Class 5 BC Fire Extinguisher

This lightweight, disposable fire extinguisher is the perfect answer for areas that need supplemental protection. Extinguisher is suitable for use on Class B (liquids and gases) and Class C fires (energized electrical equipment).

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

  1. 2-A:10B:C – 4 lb.
  2. 3-A:40B:C – 5 lb.
  3. 4-A:60B:C – 10 lb.
  4. 10-A:80B:C – 20 lb.
IT IS IMPORTANT:  Do firefighters get pancreatic cancer?

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 extinguisher is Class C?

Class C. Class C fires involve energized electrical equipment. Extinguishers with a C rating are designed for use with fires involving energized electrical equipment.

What do the letters AB and C mean on a fire extinguisher?

The letters (A, B, and C) indicate which fires this extinguisher can handle. In this case, fires containing wood, plastic, paper, gas, and oil, as well as electrical fires. For the A-rating, the number indicates the water equivalency of the powder in the extinguisher. In our example above, the 4 represents 5 gallons.

What size is a b1 fire extinguisher?

B-1 Extinguishers are USCG approved and meet the need for a Type B, Size 1 USCG approved Fire Extinguisher.

What does 1 A or 640 B mean?

Ratings above 6-A are subjected to only wood crib tests. Class B extinguishers are rated 1-B to 640-B. 1-B equals one square foot and is the benchmark. A 60-B extinguisher should be able to extinguish 60 square feet of flammable liquid fire by a non-expert.

What are the classes of fire?

Choose the Right Fire Extinguisher

Fire Class Fuel Type How to Suppress
Class A Freely burning combustibles Water, Smothering
Class B Burning liquid or gas Smothering
Class C Electrical fire Non-conductive chemicals
Class D Metallic fire Dry powder agent