![]() ![]() Class E is equivalent to class C and class F is equivalent to class K. There is no class E or class F fires in the US system of classification. ![]() Example Class A fires, Class B fires, Class C fires etc.Ĭlass A Fires Fires involving combustibles such as : wood, paper, boxes, plastic, packing material etc.Ĭlass B Fires Ignition of flammable liquids such as : solvents, kerosene, gas, grease etc.Ĭlass C Fires Fires arising from electrical equipment such as : AC outlets, wiring, appliances, flammable gases etc.Ĭlass D Fires Combustible metal fires such as : Mg, K, Na, Al, Titanium, Lithium (includes powders and swarfs).Ĭlass E Fires Electrical fires : Fires involving electrical apparatus.Ĭlass F Fires Fires involving coking oils and Fats : burning hot oil, cooking oil, lard.Ĭlass K Fires Fires in cooking utensils and appliances caused by oils and fats. with the word 'Class' placed in front of each letter. They are coded with the capital letter of the alphabet A, B, C, D, F, etc. Note that a Fire extinguisher can only give 10 to 30 seconds of spray time and 5 to 10 feet space.įire Plan Establish and execute a Fire Plan.Įmergency First Aid Shower, First Aid RoomĮmergency Response Fire Alarm, Phone CallĮmergency Space Evacuate - Strategic outsideĮxtinguisher - Learn about Fires and Extinguishersįires are classified according to the materials they burn. Seek knowledge of Fires and the extinguishers used to fight them. Install explosion proof solvent cabinets and refrigerators.Heat, leakage or breakage may cause flash fires that may result in violent explosions and cause damage to property or loss of life.Īlthough these fires may be caused by procedural errors or carelessness, precautionary measures must be put in place Most common are bench top fires due to gas and chemical accidents. Laboratory waste management Fires in the chemistry Laboratory Rating, classification, and uses of fire extinguishers. We have over 40 years of experience helping Maryland, DC, and Virginia business owners achieve optimal fire safety and code compliance.Different types of fires and the extinguishers approved to fight them. For the help you need, please contact us today. We can advise particular types and sizes based on your building’s square footage and fire risks. Let Guardian Fire Protection assist you in selecting code-compliant fire extinguishers for your business. Get Help Purchasing the Right Fire Extinguishers The effectiveness is detailed on the nameplate based on the specific combustible metal for which the extinguisher is recommended. There is also no size rating for Class D fires.To effectively fight Class C fires, choose your extinguishers based on the Class A and Class B size ratings. After all, a Class C electrical fire is nothing more than a Class A or Class B fire with energized components requiring a non-conductive extinguishing medium. 20B means that as long as you sweep the nozzle side to side, there is enough extinguishing agent inside the canister to provide 20 square feet of coverage. The Class B size rating indicates the square footage the extinguisher can cover.For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. Each number represents 1 ¼ gallons of water. The Class A size rating represents the water equivalency.The numbers indicate the size rating of each extinguishing agent. You might come across a fire extinguisher labeled 4A:20B:C. Since Class A, B, and C fires are all found in conventional homes and businesses, ABC fire extinguishers are designed to put out all three types of fires. Class K puts out cooking fires ignited by flammable oil and grease.Class D puts out combustible metal fires (magnesium, titanium, potassium, sodium, etc.).Class B puts out flammable liquid fires (oil, gas, petroleum, etc.).Class A puts out ordinary combustible fires (wood, paper, plastic, etc.).The letter on a fire extinguisher indicates its classification: ![]() To ensure you buy the right type and size for the application you have in mind, learn more about fire extinguisher classes and size ratings. When it’s time to purchase fire extinguishers for your business, you may be confused by the different letters and numbers on the label. ![]()
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