The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. … On Type A extinguishers, the number relates to how many gallons of water the extinguisher is equal to for a Type A fire. Type B fires are of flammable liquids such as gasoline or oil.

What does the letter and number indicate on a fire extinguisher?

The letters indicate the type material the extinguisher can be used on; A for combustible solids (paper, wood and trash), B for combustible liquids (gasoline, oil, acetone) and C for electrical equipment. The number before the A indicates the size of a wood panel that can be extinguished,.

What does 3 A 40 B C 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 does 5A mean on a fire extinguisher?

This means it would have been dielectrically tested to 35000 Volt (35kV) and can be used on or near electrical appliances. For example, our 2L Foamspray extinguisher has a rating of 5A 55B. This fire rating indicates that it can tackle A class fires up to size 5 and B class fires up to size 55.

What does 4A 80B C mean?

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).

What does 10A mean on fire extinguisher?

The number 10 indicates that the extinguisher fights Class B fires as large as 10 square feet. It is safe for Class C fires. Extinguisher model: Buckeye ABC Dry Chemical Extinguisher. Weight: 20 Pounds. Classification: 10A:120B:C.

What does 2A mean on a fire extinguisher?

Fire Extinguisher Size Ratings The numbers indicate the size rating of each extinguishing agent. Here’s how it works: 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.

What is a 5B fire extinguisher?

Example: A Fire Extinguisher with a rating of 5B:C would be able to extinguish 5 square feet of a class B fire and could also be used on a Class C fire (electrical- anything plugged in) due to it’s non-conductive properties.

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.

What does ABC mean on fire extinguisher?

An “ABC” extinguisher will have a label like this, indicating that it may be used on class A, B and C fires. Dry chemical extinguishers put out fire by coating the fuel with a thin layer of dust, separating the fuel from the oxygen in the air.

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What is a UL rating for fire extinguisher?

All Fire Extinguishers are tested by the Underwriters Laboratory (UL) for safety and performance. These numerical ratings allow you to compare the relative extinguishing effectiveness of various fire extinguishers. In other words, the numbers show how much of the fire can be put out by the extinguisher.

What is fire rating 21B?

Fire Rating. 8B. 13B. 21B. Suitable for Fire class B,C.

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.

What is a 80 BC fire extinguisher?

Portable fire extinguisher with powder 10 lbs type ABC ULC 6A 80 BC with wall hook. … 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 10bc fire extinguisher?

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. Superior firefighting power.

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.

What does 10A 100b C mean?

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.

What is Class C fire extinguisher?

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

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 a B1 or B2 fire extinguisher?

CLASS C: Electrical fires You can use water, or a Class A fire extinguisher, to put out this type of fire. Class B fires, on the other hand, have a flammable liquid fuel source, like gasoline. … The number after the B, for example a B1 or B2 extinguisher, indicates the capacity of the extinguisher.

What can cause a Class D fire?

What is a Class D fire? A Class D fire is characterised by the presence of burning metals. Only certain metals are flammable and examples of combustible metals include sodium, potassium, uranium, lithium, plutonium and calcium, with the most common Class D fires involve magnesium and titanium.

What are the 4 types of fire extinguishers?

• 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 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.

What is a Class C fire rating?

A Class C or Class 3 fire rating has a flame spread rating between 76 and 200. This rating incorporates building materials like plywood, fiberboard, and hardboard siding panels. It also includes any of the faster burning whole woods.

How do you read a fire extinguisher rating?

Fire Extinguisher Ratings Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.

What is fire rating 34B?

The fire rating of the particular extinguisher is indicated by a number and letter, e.g. 34B. The number indicates the size of fire it can extinguish. The size of the fires indicated are for fires put out under test conditions and the larger the number, the larger the fire it can extinguish.

What is 13 a extinguisher?

Most fire extinguishers have a fire Rating printed on the canister. This code, for example 13A/55B, defines the Class (or type) of fire and the size of fire this type of fire extinguisher is capable of extinguishing. … Fire extinguishers that can put out a fire up to this size are rated 13A.

What does 1 hour fire rating mean?

A “one-hour” fire rating is given to an assembly consisting of various building materials that can resist the exposure of a standardized fire exposure for one hour. … A few acceptance criteria for the test stipulate that the fire from the gas-fired furnace cannot penetrate through the assembly during the test.

How many pounds is a 2A 10BC fire extinguisher?

2A:10B:C – 4 lbs.

What is a 3a10bc 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).

How do I know what size fire extinguisher I need?

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.