Wednesday, July 03, 2019

The Five Classes Of Fire

Bison Fire's 5 Classes of Fire

As the owner of a commercial property or business, you know you have a responsibility to keep your employees, guests, and customers with protection against an unexpected fire.

One of these responsibilities includes having a well-developed understanding of the classes of fire. Keep reading to build your fire safety smarts:

The Five Classes of Fire

Class A

Class A fires are ordinary combustible fires. These types of fires use flammable materials like wood, paper, trash, plastic, and fabric as their fuel source. These fires are typically put out by using water or monoammonium phosphate.

Examples of Class A fires are campsite fires that use wood and combustible materials, or a trash can fire in an industrial park.

In fact, these types of fires are the most common of fire across multiple industries.

Class B

A Class B fire uses flammable liquids or gas as its fuel base, such as gasoline, kerosene, butane, propane, and petroleum based oils and paints.

Class B fires are a common hazard in industries that deal with lubricants, fuels, and certain kinds of paint. These types of fires are suppressed by covering them to remove oxygen, or by using chemical compounds that produce the same effect as smothering.

Class C

Class C fires are fires that use electrical components or energized equipment as its fuel source, and is often fueled by motors, electronic transformers and equipment, and appliances.

Most common in sectors like energy or heavy electronic equipment, Class C fires can typically be extinguished by cutting off the power source and using non-conductive materials to extinguish the fire.

Class D

Class D fires use combustible metals, like titanium, magnesium, potassium, and aluminum, and are a danger in laboratory environments because of their volatile nature.

Never use water to extinguish a Class D fire. Instead, use dry powder agents that absorb the heat the fire needs to burn and smothers it so it becomes deprived of oxygen.

Class K

Class K fires are defined as cooking fires and involve a combustion of liquids used in food preparation such as grease, cooking oils, vegetable fat, and animal fat.

Naturally, Class K fires are a concern for the foodservice and restaurant industry, but can be common in people’s homes when a frying pan or a grill is left unattended.

Suppressing these fires requires a wet chemical fire extinguisher.

Know Your Fire Safety Needs

For all of your fire safety needs in Winnipeg, Thompson, Kenora, Brandon, Regina, and Saskatoon you can depend on Bison Fire Protection. Contact us for your fire protection solutions and services today.

Posted by Rob Read at 8:15 AM


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