A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc.), or
The first fire extinguisher of which there is any record was patented in England in 1723 by Ambrose Godfrey, a celebrated chemist at that time. It consisted of a cask of fire-extinguishing liquid containing a pewter chamber of
What is inside a fire extinguisher & How it works?
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People Also Ask what is in a fire extinguisher
What is a fire extinguisher made of?
Fire extinguisher. Cartridge-operated extinguishers contain the expellant gas in a separate cartridge that is punctured prior to discharge, exposing the propellant to the extinguishing agent. This type is not as common, used primarily in areas such as industrial facilities, where they receive higher-than-average use.
What are the different types of fire extinguishers?
A British fire extinguisher with ID sign, call point and fire action sign There are two main types of fire extinguishers: stored-pressure and cartridge-operated. In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself.
What is the colour of the fire extinguisher?
The colour of the fire extinguishers classify based on the agents they contain, such as; Foam extinguishers: The label colouring for this type of extinguisher is cream. Water extinguishers: The label colour for this type of fire extinguisher is bright red. Dry powder extinguishers: The label colouring for this type of fire extinguisher is blue.
What are cartridge operated fire extinguishers?
Cartridge operated extinguishers are available in dry chemical and dry powder types in the U.S. and in water, wetting agent, foam, dry chemical (classes ABC and B.C.), and dry powder (class D) types in the rest of the world. Fire extinguishers are further divided into handheld and cart-mounted (also called wheeled extinguishers).
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