Choosing the right form of fire extinguisher can be considered a complicated task due to many fire extinguisher types available. You should be very aware when you choose a best fire extinguishers because each type is designed to put out a fire caused by different materials.
Fire extinguishers are categorized into several classes to which they are being used for. These extinguishers also have a numerical score for their use. Course A extinguishers are being used for ordinary combustible materials. These kinds of include paper, cardboard, materials, and wood. The statistical rating available on this type of extinguisher shows the amount of normal water it holds and the amount of fire it can extinguish. Class N fire extinguishers are specially formulated to put away fires which care triggered by flammable and le?a liquids like oil, petrol, grease, and kerosene. The numerical rating for Course B extinguisher indicates the area of fireplace in square feet it can extinguish.
Class C open fire extinguishers put out fire which involve electrical equipment, including appliances, outlets, wiring, and circuit breakers. Once coping with class C fire, it is crucial to bear in mind that water ought not to be used to extinguish it because the risk of an electric shock is great. Class C extinguishers have extinguishing agents that are non-conducive and they might not have a numerical rating. One among the most frequent fire extinguisher types are those found in a chemical laboratory. This kind of type is categorized as Class D fire extinguisher and is for fire involving combustible materials like sodium, potassium, magnesium, and titanium. Similar to School C extinguishers, Class M extinguishers do not have a numerical rating and are to be used exclusively for Class M fires.
Aside from these classifications, fire extinguishers are also categorized in line with the eliminating agent used. Water extinguisher, also known as air-pressurized water extinguisher, is merely suited to class A fires only. By using a water extinguisher on a Class C or Class D fire will only make the fireplace bigger so be careful when identifying the sort of flames before by using a particular extinguisher. A water fire extinguisher is stuffed with drinking water and is pressurized with oxygen, thus can be very dangerous in the wrong type of situation. Only fight an open fire with a water extinguisher if you are sure that the fire is caused by ordinary inflammable materials only.
Dry chemical substance extinguisher is another type of fire extinguisher and has a variety of types. This type of fire extinguisher is suited to a blend of class A, B, and C fire. Dry chemical extinguishers can be filled with froth or powder, pressurized with nitrogen. The regular type of dry chemical extinguisher is the one which is stuffed with salt bicarbonate and potassium bicarbonate. This is called the BC extinguisher. The BC variety leaves a a little corrosive residue which has to be cleaned immediately in order to avoid further damage.
Another variety is the ABC extinguisher which is a convenient dry chemical extinguisher loaded with monoammonium phosphate which is damaging to electric appliances. Compared to CARBON DIOXIDE extinguishers, dry chemical extinguishers have the advantage because they leave a non-flammable residue on the put out materials.