Classes of Fires & Fire Extinguishers Classes of Fires. Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable… Fire Extinguishers. Fire extinguishers are classified as types A, ABC, BC or K. It …
Carbon dioxide extinguishers are rated Class B and Class C, and can also be used for Class A fires. Electrical fires or Class C, once the equipment is unplugged and de-energized, the fuel source is considered to be either a class A or B, allowing a carbon dioxide extinguisher to be utilized.
What type of fire extinguisher is commonly used in hospitals?
The wet chemical fire extinguishers are used for Class F fires. The Trust has over 500 fire extinguishers positioned around the Hospitals to deal with a fire quickly. This type of fire extinguisher should not be used for fires that involve electrical equipment over 1000 V and fires that involve cooking oil.
Larger models of these fire extinguishers are listed for Class A as well as Class B and Class C fires, which makes them quite suitable for use on fires in electronic equipment. When discharged, these agents are in the combined form of a gas/mist or a liquid, which rapidly evaporates after discharge with about twice the range of carbon dioxide.
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What type of fire extinguisher is used in hospitals?
An “ABC” Multipurpose type of extinguisher is the most common found in the healthcare setting. It extinguishes using dry chemicals by smothering the fire and forming a fire retardant coating. Which fire extinguisher is not used in hospitals? The wet chemical fire extinguishers are used for Class F fires.
Do not use Class B fire extinguishers in the hospital?
Do not use on Class B or C fires; may cause fire spread or electrical shock. ABC fire extinguishers are located throughout the Medical Centers in corridors. Specialty areas, such as the Operating Rooms and Kitchens have specific extinguishers.
Can a Class A fire extinguisher be used on electronic devices?
Larger models of these fire extinguishers are listed for Class A as well as Class B and Class C fires, which makes them quite suitable for use on fires in electronic equipment. When discharged, these agents are in the combined form of a gas/mist or a liquid, which rapidly evaporates after discharge with about twice the range of carbon dioxide.
What are the different types of chemical fire extinguishers?
Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher