What color are fire extinguishers in India?
normally red, but different fires require different extinguishers which will vary in color.
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Records show that Ambrose Godfrey patented a fire extinguisher inEngland in 1723 and that George William Manby invented the "modern"extinguisher in 1818. One could also argue that a bucket full of water or sand is also a"fire extinguisher" and was invented about the time people startedliving in hou…ses. There are some who incorrectly believe that Thomas "T.J." Marshallinvented the fire extinguisher in 1872. Others say, "Ochoa L.CBailey July 18,1899". See the related questions about Thomas J.Martin for more about 1872. (Martin's patent is titled "Fire Extinguisher", but describes animprovement to a system of pipes installed inside a building, likea sprinkler system, nothing like a portable "fire extinguisher" oftoday.) ( Full Answer )
Most pins as fastened to the trigger with an easy to break plastic fastener that also holds the inspection tag on the tank or trigger base. This prevents the pin from falling out and the extinguisher from being discharged by accident.
That depends entirely on what type of extinguisher it is. Air pressurized water extinguishers contain compressed air and water, the former forcing out the latter up through an uptake tube and out the hose. For use at low temperatures, an antifreeze might be added to the water Foam extinguisher…s are similar to air pressurized water extinguishers, but the water is mixed with foaming agents and small holes are added near the top of the uptake tube to aerate the extinguishing agent. Dry chemical extinguishers contain a powdered agent (bicarbonate of soda, ammonium phosphate, potassium bicarbonate, potassium chloride, &c.) and a compressed gas, usually nitrogen. The latter propels the former out the nozzle or hose. Carbon dioxide extinguishers contain liquefied carbon dioxide under high pressure. Halon and other clean agent extinguishers contain a variety of chemicals of varying risk to the ozone layer. Dry powder extinguishers are typically buckets containing the extinguishing agent (sodium chloride mixed with thermoplastic, powdered copper, graphite, sodium carbonate, &c.) which are shoveled onto the burning metal. Sometimes these agents are placed in containers more typical of what we think of as a fire extinguisher. Kitchen or type-K extinguishers are similar to foam extinguishers, but contain a soap-like emulsifier that brings the burning lipids into solution with the water. Dry chemical and dry powder extinguishers are also available in cartridge-operated forms where a large amount of powder is contained in the main body of the extinguisher, and gas cartridges are attached to pressurize the unit. This allows the unit to be recharged more quickly an on site, not requiring special equipment. In this case, the pressurized gas is typically carbon dioxide, and is stored in a separate container, punctured at the start of use. ( Full Answer )
A fire extinguisher is a cylindrical metal container which is used to put out fires. It usually contains a foam or vaporizing liquid. The contents are pressurized in order to produce a powerful spray of water, foam or powder to put out a fire. Have you ever realized how important fire extinguis…her safety is for you and your family? When you are planning ahead and preparing for emergencies, you will want to purchase fire extinguishers for your home , and for each of your cars. The more you have the safer you are! Do you have home fire extinguishers on hand and ready in case of a fire? Fire extinguishers should be ready and available in several places throughout your home. The first place to have a fire extinguisher is near your stove. Make sure that your kitchen fire extinguisher is not too close to the stove, due to the fact that a fire may occur and you may not have access to the fire extinguisher because of the flames. The best location for your fire extinguisher will be between six and eight feet away from the stove. The garage would be another good location for a fire extinguisher. There are many types of fires that can start in a garage so you would want to have your fire extinguisher easily accessible. Knowing that you have fire extinguishers in several key places throughout your home will help you and your family to be better prepared for a fire emergency. How to use a home fire extinguisher: . Remove the fire extinguisher from its mount. . Hold the fire extinguisher while pulling out the pin. (do not squeeze the trigger while pulling the pin) . Aim the fire extinguisher at the base of the fire. . Squeeze the trigger and spray back and forth over the fire. Remember that there are different types of home fire extinguishers, some of them have a small hose to aim at the fire, while the smaller units have just a nozzle. Another thing to remember is you should learn how to use a fire extinguisher before a fire occurs. It is not a good idea to try and read the instructions while you are in an emergency situation. FOR MORE INFORMATION AND VIDEO GO TO: http://www.emergencysuppliesinfo.com/home-fire-extinguishers.html ( Full Answer )
The "Fire Triangle" indicates that a fire requires fuel, oxygen andheat to continue burning. Removing any one side will cause thereaction to cease. You can: . Remove the source fuel (turn off gas or oil supply to thefire) . Smother the fire with barriers such as foams, sand (or otherinert materia…l) . Cool it with water or carbon dioxide . Tie up the reactants with compounds that bind with the oxygenmore rapidly (Halon) . Replace the oxygen in the air with carbon dioxide or otherinert gas (Halon) I have one suggestion to all that if you have any damaged fireextinguisher then you can sell it on Halon.Us. Thank you all. ( Full Answer )
Generally speaking, we extinguish a fire by removing air (oxygen) so the fire cannot breathe, we remove fuel that is being burned, or we remove thermal energy from the fire so that combustion cannot be sustained. There are a number of different tactics and strategies that firefighters use to suppres…s a fire. Additionally, there are a number of different types of fire, and the effective firefighter will adjust an approach to be more effective for a given situation. We call upon our knowledge of the fire triangle to chart a course toward successful fire suppression. We know that a fire needs fuel to burn, heat to cause the fuel to burn, and oxygen in the air to sustain combustion. To attack a fire, a firefighter usually aims to "break" the fire triangle by removing on of the three "legs" that supports the fire triangle. By suffocation, cooling or the removal of the fuel, we can break the fire triangle and put out a fire. Most of us know about special situations where a modified system or approach is necessary for suppression to be effective. In the case of burning metals, water is often not used as it actually supports the chemical reactions in combustion. Water isn't a good idea for burning liquids, either. Likewise, it is wise to use something else other than water on electrical fires. But the basic strategy is essentially the same. Discover the things at work in a given fire and pick a way to remove or inhibit the actions of one or more things so the fire can be controlled and extinguished. ( Full Answer )
Fires are extinguished by removing part of the fire triangle (or tetrahedron). All combustion processes require three things to continue. The first is a substance that can be broken down by heat into unstable compounds that will readily react with an oxidizer. The second is sufficient heat to cau…se the substance that will burn to turn into a gas or vapor composed of such unstable compounds which are called free radicals. The third is an Oxidizer which will react with the broken down bits of fuel in a reaction that is Exothermic. That means that the reaction produces more heat to break down more fuel into the free radical form were it will burn. These three things are often expressed as a triangle called; not surprisingly; the fire triangle. The three sides of the fire triangle are Fuel, Heat, and Oxidizer. You break the fire triangle by taking any one of these out of the combustion process that we commonly call fire. Water extinguishers will cool the fuel to the point were it will no longer break down into the free radicals that are capable of oxidizing. The water absorbs the heat so it is not acting on the fuel to produce more free radicals that will react with the available Oxidizer. That is called Quenching by fire protection people. Dry Chemical fire extinguisher's inject an alternate reactant into the reaction. When the free radicals react with the dry chemical that reaction is either neutral or Endothermic. That means it does not produce any extra heat to break down the fuel into a form that will burn or that it actually uses up heat from the combustion process. In either case it is depriving the reaction, that is fire, of the fuel; in the form of free radicals; that it must have to continue to produce more heat. Carbon Dioxide Extinguishers smother the fire by displacing the air, that contains the oxygen that would react with the fuel, with a gas that is too stable to react and heavier than air so it will remain in the combustion zone long enough for the fuel to cool to a temperature that is too low to cause it to break down into a form that is reactive. In summery: The water takes away the heat. Dry Chemical takes away the fuel. Carbon Dioxide removes the Oxygen Foam extinguishers take away fuel, heat, and oxidizer by cooling the fuel, by holding the vapors out of the combustion zone, and by separating the fuel from the air which contains the oxygen with which the fuel particles would react. ( Full Answer )
Depends on the type of extinguisher. Most are designed to work at about 6 feet/2metres. If the fire is big, just get out and save yourself!
A fire extinguisher puts out a fire by: . cooling the burning material enough that it stops burning, or . excluding oxygen from the burning material so that it cannot continue, or . both
Most CO2, foam and dry chemical fire extinguishers smother the burning material so that it cannot get enough air (oxygen) for the fire to continue to burn. Also, water-type extinguishers cool the burning material enough that there isn't enough heat to support the fire. ___________________________…____________________________________ What was said above is true of most fires. But in recent years some extinguishing agents have been developed that actually change the chemical reaction going on in a fire. These are mostly used on chemical fires, especially combustible metals. But the can be very effective for other types of fires as well. ( Full Answer )
No, the ABC extinguisher uses a dry powder chemical composition that by its application displace the oxygen required to maintain the ignition process. additionally, since it disperses a fine dense cloud of powder, it coats the intended surface with its compound. This action extinguish the class A an…d B fires, however, this media does not provide any retardancy to the subject fire. additionally, class C is not meant to be a type of fire, instead is defines the cause of the fire, i.e., cause by an electrical energized charge that will require a non conductive medial that passed the 100,000 v generated by the test to qualify for a class C rating. ( Full Answer )
There are several different international codes. The USA has no particular code for the color of the extinguisher, although the labels may include Green Triangle for Class A Red square for Class B Blue Circle for Class C Yellow Star for Class D Black Hexagon for Class K Under British St…andards BS7863 a block of colour is now found on the front of a red fire extinguisher, encoded as below: . Label Colour . Contains . Use on the following Fire types . White. Water. Paper, Fabric, Wood, Textiles.. Blue. Dry Powder. Paper, textiles, flaming liquids, Electrical, flammable metals (magnesium, lithium, etc).. Cream. Foam. Flammable liquids.. Black. CO2. Electrical Fires and burning liquids.. Green. Vaporising Liquids. Flammable liquids and live electrical equipment (these are now illegal to possess in UK, other than on airplanes and for official police use) . Yellow. Wet Chemical. Paper, Fabric, Wood, Cooking Oil (Type A, B or F fires -- note that USA calls F a Class K) . ( Full Answer )
depends on the type or class of fire, and the extinguisher. All fires need four things to burn: fuel (wood, gas, fumes), oxygen, heat, and chain reaction. This is appropriately called the fire tetrahedron. Without one piece the tetrahedron collapses and the fire dies. Class A is burning paper, wo…od etc. The extinguisher to use here is water or foam. This works by cooling the fuel. Foam extinguishers also smother fires, excluding oxygen. A fire without oxygen can't burn. Dry chemical extinguishers disperse a powdered agent onto the fire, separating and disrupting the four parts of the fire tetrahedron. Halon extinguishers interfere with the chemical chain reactions of combustion. Larger halon units are effective on class A fires. A CO2 extinguisher can knock down or reduce a class A fire, but is unlikely to displace enough oxygen to entirely extinguish the fire. Class B is burning fluids. Water is ineffective on burning oils, as oil floats on water. Worse, the force of the water can spread the fuel and fire. Foam extinguishers get around this problem because the air in the foam allows it to float on the oil, forming a floating seal over the fluid and cutting it off from oxygen and making the fuel difficult to reignite. If the fluid is alcohol based, it will disrupt the foam, necessitating use of a specialized foaming agent. Halon will disrupt the chemical chain reaction of combustion. If the burning fluid is very shallow, dry chemical extinguishers are also effective on this type, but the fluid can be easily reignited. CO2 extinguishers will also extinguish this type of fire by displacing oxygen above the fire and cooling the fuel. Class C is any other type of fire with the added complication of charged electrical components. TURN OFF THE POWER. Often this will kill the fire or turn it into an ordinary class A or B fire. If turning off the power is not an option, dry chemical or halon extinguishers can be used to disrupt the fire tetrahedron. CO2 extinguishers work very well displacing oxygen from the enclosed spaces within most electronics. Halon-replacement clean agents work like CO2, but won't thermally shock sensitive (expensive) components. Water mis (not to be confused with water) extinguishers can be used on AC class fires. The use purified water, which is a poor conductor when devoid of salts, and break up the flow into a mist which won't carry the shock back to the user. The water cools the fuel and doesn't contaminate the surrounding area the way dry chemicals will. Water mist extinguishers are common in hospitals but rare everywhere else. Never use a water or foam extinguisher on a class C fire. Class D is a burning metal like magnesium, titanium, or lithium. With more of these materials being used for lighter car components or in rechargeable batteries, these are becoming more common. If you encounter a class D fire, it is probably best to leave it to the professionals. Sand will usually put out small class D fires by cooling the fuel and excluding oxygen. Most class D extinguishers are simply the agent contained in a bucket that is shoveled onto the fire, though the agents are also sometimes found in more typical housings which will spray it onto the fire. Class D fire extinguishers are usually dry powder (not to be confused with dry chemical). Copper-based of this type work by disrupting the chemical reactions. Salt and thermoplastic mix work by forming a shell that excludes oxygen. Burning magnesium and lithium react explosively with water, so neither foam nor water-based extinguishers should be used. There is one foam concentrate on the market that is rated for class D, but this is a rare exception to the rule. Class K is burning cooking fats, oils, or greases. Until 2008, these were included in class B. Most class K fires can be extinguished by simply covering the cooking vessel and turning off the heat, excluding oxygen and heat to the fire. Class K extinguishers are a foam type that is also effective on classes A and B. The extinguishing agent includes a soap-like emulsifier that puts the burning lipids into solution with the water, rendering them non-flammable. Class K can also be extinguished by any class B rated extinguisher. So to sum up, fires need four things to burn, and without one of those things the fire will die. Common extinguishers are water, dry chemical, and CO2. some more exotic extinguishers are Aqueous Film Forming Foam (AFFF), dry powder, and Halon gas. All of these put out a fire by removing part of the fire tetrahedron. ( Full Answer )
Silver is a water can (Class A) or a Class K for grease fryers. Red is ABC extinguishers (multi-purpose) and for CO extinguishers. Yellow is for Class D (flammable metals). As for Fire Extinguisher LABEL colours, that depends on what they contain, which determines which type of fires each type ma…y be used to extinguish, thus: a) Red (Water/Gas originally) - for solid fuel (i.e.wood/paper), fires - though this colour has now been adopted for other extinguishers. b) Blue (Dry Powder) - for Wheel/Brake fires on aircraft. c) Cream (Foam) - for liquid/fuel fires. d) Black (Carbon Dioxide gas) - for electrical or fuel fires. e) Green (Bromoclorodiflouromethane, or BCF) - for fuel/electrical fires. The green type is no longer available in the UK for civilian use. ( Full Answer )
Class A fires are fires that leaves behind ash, including wood, paper, foliage, etc. A Class A extinguisher is optimized for this type of fire, but doesn't work as well (or sometimes at all) on class C (chemical and grease, or "boiling" fires) or Class C (electrical) fires. Class D fires (potassi…um, aluminum, etc.) are rare outside the laboratory and not typically considered in selection of an extinguisher for the average user. ( Full Answer )
remember the acronym PASS P-pull A-aim S-Squeeze S-Sweep which means you pull out the pin, aim at the fire, squeeze the handle, and spray in a sweeping motion
There are more than four classes of fires and an extinguisher for each class. A ABC B BC C D K Within each type there may be multiple additional sub-classes (such as A for water and A for foam). Different TYPES include: Stored-pressure, cartridge-operated, and pump-operated. Obs…olete types include inverting types and chemical foam. ( Full Answer )
apparently, the answer is somehow yes. the fire extinguisher in the basement somehow exploded and the top of it where the trigger thing is went straight through the sheetrock of the ceiling!that had to be one strong strong explosion if it broke through the sheetrock. the question is: what made it e…xplode? the thing probably was last serviced over 10-15 years ago! ( Full Answer )
Fire takes 3 things to exist: Oxygen, Fuel, and Heat. If one of those is eliminated, the fire is gone. The point of using water is to cool the place down, therefore eliminating the Heat factor. By the way, that is the reason why you NEVER use water to turn out oil fire. Oil burns at 300 degrees, a…t that temperature, water turns into high pressure steam withing milliseconds, further expanding the flame, causing a giant fireball. ( Full Answer )
The portable fire extinguisher was not invented or patented in 1872. In 1813, British army captain George Manby created the first known portable fire extinguisher: a two-foot-tall copper cylinder that held 3 gallons of water and used compressed air as a propellant. One of the earliest extinguishe…rs to use a chemical extinguishing agent, and not just water, was invented in 1849 by the Englishman William Henry Phillips, who patented his "fire annihilator" in England and the United States (US patent #7,269). US Patent 125,063 issued to Thomas J. Martin, on March 26, 1872 is entitled "Fire Extinguisher", but it has NOTHING to do with a portable fire extinguisher. What that patent discloses is a way to use pressurized water pipes inside buildings, supplied from the street, with valves you could open on each floor and use the spray to put out a fire. Today, such an invention might be called "Fixed and pressurized standpipe and sprinkler system for fire suppression." . ( Full Answer )
Lay it down on the ground, out of the way, so people know it has been used. When the fire is out, used extinguishers can be collected and inspected for recharging or disposal.
If you are talking about in real life no, they cannot be harmed. If this is real life and you are dealing with a spirit that is making you uncomfortable then go to a church and you can ask them about getting your home "Blessed"
In the USA, there are five classes of fire extinguishers, one for each class of fire, labeled A, B, C, D, and K.. A- wood, paper, cloth. B- gasoline, paint, oil. C- live electrical systems. D- flammable metals, such as magnesium. K- for kitchen (burning cooking fat).
After two days, rain began to fall. On the morning of October 10, 1871, the fire died out leaving complete devastation in the heart of the city.
The best location to put the fire extinguisher is inside the lab, near the door so that if the fire extinguisher is used but does not put out the fire, you can still escape via the door. Never allow the fire to come between you and a safe means of escape.
There is no more important that Who use an extinguisher, but hereis so important that you extinguisher is ok or not, because fireextinguisher is very important for all. I know a site namedhalon.us which buy damaged extinguisher. I think it will help youall.
No, helium is not used in fire extinguishers. We find carbon dioxide (CO 2 ) in some extinguishers, but not helium.
A water-type fire extinguisher removes heat from a fire by converting liquid water to steam when the water touches the hot material.
Get between the fire and the exit, in case your action is unsuccessful. Select an extinguisher that is proper for the type of fuel. . In particular, do NOT use water extinguishers on a flaming liquid fire or electrical fire. . Pull the locking pin on the fire extinguisher. . Aim the nozzle at… the fuel that is burning (i.e., the "base of the flames"). . Squeeze the handle or trigger to activate the extinguisher. . Sweep the stream from the nozzle across the extent of the fire, starting at the edge and working toward the center. Stop squirting when you no longer see flame or feel heat. ( Full Answer )
Some extinguiishers do but they should not be used on electrical or liquid fuel fires.
it can cause the electricity to travel through the water stream andsend a shock to the person that is operating the water source. SoIt will more dangerous. I know a site named Halon.us which buy damaged extinguisher fromothers.
There are different types of extinguisher materials for different types of fire - some fires can be fought with water, but for other fires the use of water would actually make the fire worse (for example, a fire in pan of oil attacked with water will flash boil the water and blow burning oil all ove…r; Attacking an electrical fire with a stream of water will lead to electricity being transmitted along the stream and electrocuting the firefighter. As a result, the contents of any given extinguisher will depend on the sort of fire that would reasonably be expected in the area where it is kept. Fires can be classed as follows: . Class A:. SOLIDS such as wood, paper, cloth, plastic etc. Class B:. FLAMMABLE LIQUIDS such as paraffin, petrol, oil etc. Class C:. FLAMMABLE GASES such as propane, butane, methane etc . Class D:. METAL FIRES (aluminium, magnesium, titanium etc.). Class E:. Fires involving ELECTRICAL EQUIPMENT (In the USA, these are Class C fires) . Class F:. Cooking OIL & FAT etc (In the USA, these are Class K fires) . To fight these fires, there are specific extinguishers for each class: Water Fire Extinguishers: The cheapest and commonest fire extinguishers. Used for Class A fires. Should not be used with Class B, E and F fires. Foam Fire Extinguishers: More expensive than water, but more versatile. Used for Classes A & B fires, but not for Class E, but are safer than water if inadvertently sprayed onto live electrical apparatus. Dry Powder Fire Extinguishers: Can be used on classes A, B & C fires. Optimum extinguisher for fires involving running liquid (Class B). Special powders are available for class D (metal) fires. CO2 Fire Extinguishers: Carbon Dioxide is ideal for Class E fires, and will also extinguish class B fires but disperses quickly and this can allow the fire to re-ignite. There are also specialist extinguishers for use with Class F and Class D fires. ( Full Answer )
Absolutely if people can be allergic to water and sunlight they certainly can be allegic to chemicals. Some extinguishers have an irritant added and you'll know when you breathe it in.
kitchen or in the laundry room if it is up stairs.. if you have a two storey home, put one up stairs and one down stairs.
Yes, it can. Contrary to popular belief and the quote "You can't fight fire withfire", you CAN fight fire with fire.
either: . removing oxygen to suffocate the fire; . removing heat to stop further ignition; or . changing the chemical reaction with the fuel But I have one suggestion for for all, That if you have any damagedfire extinguisher then Halon.Us is a best place to sell it.RecentlyI had also sold my… damaged extinguisher there with an affordableprice. ( Full Answer )
Fire extinguishers commonly contain water under pressure, compressed carbon dioxide, foam, or specialized dry chemicals, depending on the type of fire they are designed to put out.
Class A fire extinguishers - used for fires caused by "ordinary combustibles" aka paper, wood, plastic, cardboard, etc. Class B fire extinguishers - used for fires caused by flammable liquids such as gasoline and oil. Class C fire extinguishers - used for electrical fires Class D fire ex…tinguishers - used for fires caused by explosive or flammable metals (most commonly found in laboratories Class K fire extinguishers - used for fires found in commercial kitchens ( Full Answer )
Hi, Fire extinguisher is very easy to use . Here I mention 3 stepson how to use. step - 1 : Pull the pin - This will allow you to discharge theextinguisher. step - 2 :Squeeze the top handle or lever - This depresses a buttonthat releases the pressurized extinguishing agent in theextinguisher. step- …3 : Sweep from side to side - until the fire is completelyout. Start using the extinguisher from a safe distance away, thenmove forward. Once the fire is out, keep an eye on the area in caseit re-ignites. But be careful that when you are using an extinguisher. I have onesuggestion that you can sell your damaged extinguisher to halon.us. ( Full Answer )
Acid can corrode the metal shell of the extinguisher. When it is rapidly pressurized, it may explode. They are no longer an approved extinguisher in many nations.
No. Most are a dry chemical that forms a sticky coating that cuts off the air.
Fires are generally extinguished by removing part of the processthat makes them keep going, sometimes called the "firetetrahedron": fuel, oxygen, heat, chemical reaction. For example, putting water on a big fire causes the water to turnto steam, which is a cooling process, removing the heat from th…efire. Water that gets onto the surface of the fuel also reduces theamount of oxygen available for burning and changes the fuel byraising its ignition temperature. It's harder to light wet fuelthan dry fuel. Some fire extinguishing methods involve "smothering" the fire, i.e.cutting off the supply of oxygen. Carbon dioxide and foamextinguishers are examples of extinguishers that work on thisprinciple. They also absorb much of the heat from the fire, whichprovides a secondary, lesser fire extinguishing benefit. Some fire require adding substances to the fire that interrupt thechemical reaction. Most of these are halogenated organics - broadlyreferred to as Halons. At high temperatures, halons decompose torelease halogen atoms that combine readily with active hydrogenatoms, quenching flame propagation reactions even when adequatefuel, oxygen, and heat remain. The preferred halogens are bromineand iodine although chlorine and fluorine can also help quenchfires. ( Full Answer )
Like any other fire, a burning candle requires fuel, heat, oxygenand a chemical reaction. If you use a fire extinguisher, ittypically removes the heat or oxygen from the process, thusstopping the fire.
The standard colour of fire extinguishers in the United Kingdom is a signal red body with another colour banding depending on the kind of fire extinguisher.
Ordinary combustibles, such as wood, cloth, paper, burning liquids such as gasoline, and fires in live electrical equipment. They are not for deep fat fryers (class K) nor for combustible metals such as magnesium (Class D fire).
They suffocate it and prevent it from using the oxygen around it toburn. To put it simply: fire extinguishers choke fires, whicheventually die.
Fire is initiated through the availability of three factors together: . oxygen (or air) . material that has the ability to be extenguished (wood, cloth, fuel, ...) . the means for setting fire (material friction in dry air, remains of a cigarette, ...) Extinguishinh fire is done mainly through… insulating the burned subsatance from oxygen using water or other extenguishing materials. ( Full Answer )
True (You Need Heat, Fuel, and Combustible) ABC Extinguishers Cooldown the fire breaking the fire triangle by removing the heat.
When putting out a fire, the extinguisher should be pointed at thebase or bottom of the fire, not at the flames above.
The stream should be aimed directly at the base of the fire. Thiswill extinguish the source of the flame. Aiming it at the flameitself will have little impact. Always use the correct type ofextinguisher for the fire source Class A - fires involving solid materials such as wood, paper ortextiles. Cla…ss B - fires involving flammable liquids such as petrol, dieselor oils. Class C - fires involving gases. Class D - fires involving metals. Class E - fires involving live electrical apparatus. (Technically'Class E' doesn't exists however this is used for convenience here) Class F - fires involving cooking oils such as in deep-fat fryers. Water Red Class A Water extinguishers are used on Class A fires. They are notsuitable for fires fuelled by flammable liquids or whereelectricity is involved. Foam Cream Class A and B Foam is a versatile fire extinguisher. Used for ClassA and B fires. CO2 Black Class B and E CO2 fire extinguishers are used for fires involvingelectrical apparatus. They have no post fire security which meansthat the fire could reignite. Dry Powder Blue Class A, B and C Dry powder extinguishers can be used on Class A, Band C fires. Dry powder is not recommended for use inside becauseit can obscure vision and damage goods and machinery. Wet Chemical Yellow Class F Wet chemical extinguishers are for fires involvingcooking fats and oils. They are most suitable for use inrestaurants and kitchens. ( Full Answer )