Below is an overview of each type of fire extinguisher including its rating and suitable uses. Not suitable for liquid fires class b or where electricity is involved. Use a fire extinguisher only if you have been trained to use one and you have a clear exit path behind you. Ensos fire extinguisher one pot method story totseans. Nfpa 10 inspection is a quick check that a fire extinguisher is available and is in operating condition. Fire is a rapid chemical reaction of oxidant with fuel accompanied by the release of energy, indicated by incandescence or flame. This keeps your back to your escape route and an extinguisher ready near the likely sources of fire aboard. Most people dont realize that there is more than one type of fire extinguisher and each type has a specific purpose for keeping people and property safe the first thing people should know when it comes to proper fire extinguisher use is that there are different types of fires, and not every extinguisher. Sep 26, 2008 carbon dioxide fire extinguishers are used to extinguish flammable and combustible liquid fires class b fires and energized electrical fires class c fires. The class, quantity, and placement of fire extinguishers. Our online fire extinguisher trivia quizzes can be adapted to suit your requirements for taking some of the top fire extinguisher quizzes. Carbon dioxide is discharged as a white cloud of snow which throttles a fire by eliminating the oxygen. Start studying chapter 7 fire extinguisher firefighter 1. If the fire is small, use a fire extinguisher to put out the fire.
Guidelines on how to use a fire extinguisher fire services. The following are tips on how to use a fire extinguisher. Special extinguishing agents are used for extinguishing metallic fires. The following are ten important rules to remember about how and when to use a fire extinguisher. Most people dont realize that there is more than one type of fire extinguisher and each type has a specific purpose for keeping people and property safe. In the rest of this article, well present additional fire extinguisher steps to follow based on the assumption that youve already determined it is safe and appropriate for you to fight the fire and that a fire alarm has been triggered. Class k ratings class k rated extinguishers must be capable of saponifying oils. Each type of fire extinguisher is suitable for different types of burning media and will have a fire rating based on the volume of fire that they are capable of extinguishing. A properly mounted fire extinguisher should be at every exit and near the engine compartment. They are ideal for mixed fire risk environments and especially suited for the protection of flammable liquids, storage of liquid gases and heating oils used for industry, garages and workshops, etc features. Carbon dioxide hand portable fire extinguishers features n simple operation and maintenance n portable, compact design n noncorrosive, nonconductive, clean suppressing agent leaves no residue n steel shell has a fluted base design which resists corrosion for a longer service life n lightweight aluminum shell also available. Seven out of ten fire related deaths occur from breathing poisonous gases produced by the fire. If you use the wrong type of extinguisher on the wrong class of fire, you might make matters worse. The purpose of this document is to provide information relating to fire extinguishers as a domestic fire safety measure.
The second type, a water extinguisher, uses water and compressed gas and should only be used on class a ordinary combustibles. Most fire extinguishers will have a pictograph label telling you which classifications of fire the extinguisher is designed to fight. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Mount it on your work bench to use as a rolling form for bending nerf bars and tube grills around, etc. Fires involving organic solid materials such as wood, cloth, paper, plastics, coal etc. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. There is too much smoke or you are at risk of inhaling smoke. Dry chemical extinguishers are typically marked with a letter rating ab, bc, abc that denotes which classes of fire they are capable of extinguishing. What fire extinguisher to use which fire extinguisher. Not all fires are the same, and they are classified according to the type of fuel that is burning.
Follow these guidelines for safe fire extinguisher use. A co2 fire extinguisher is most commonly used for class b flammable liquid fires, including petrol, and fires involving sensitive electrical equipment. Cut the end off and use it for a mount for a slightly smaller diameter fire extinguisher. The wrong type of extinguisher can be dangerous or life threatening. Ensure you remain a safe distance from the fire and remove the safety pin this will break the tamper seal. Co2 fire extinguishers all you need to know about co2. Sweep the extinguisher agent stream from side to side across the base of the fire until it is completely out. Kidde 466180 pro 5 carbon dioxide, food and electronic. Co2 fire extinguishers are the extinguisher of choice for electrical fires, although they also work on flammable liquid class b fires. May 14, 2017 hopefully, youll never be in a fire and so youll never need to know how to use a fire extinguisher. Extinguishers used for these fires are identified by a red square with a b inside or a picture of a gasoline can on the label.
Environmentally safe and ideal for protecting delicate electronic equipment, the kidde 466180 pro 5 cd fire extinguisher leaves no residue behind as it effectively extinguishes class b liquids and gases and class c energized electrical equipment fires. Ensure the extinguisher being used is rated for the fire being extinguished. Co2 extinguishers are primarily used for electrical fires and often paired with foam extinguishers. Portable fire extinguisher training thank you for your time. Know what to do if you find a fire be able to correctly and safely select.
When used to smother a persons burning clothes, wrap the blanket around the person. What you need to know when buying fire extinguishers. Also, on a class a fire it creates a barrier between the fuel and the oxygen. The extinguisher must be the right type for the fire. However, they must be of the correct type for the particular fire, and they must be used correctly. These types use a compressed, nonflammable gas as a propellant. Class e fire involving electrical apparatus class f cooking oils and fat. Selection of fire extinguishers there are a number of types of portable fire extinguishers available in australia. Carbon dioxide fire extinguishers are used to extinguish flammable and combustible liquid fires class b fires and energized electrical fires class c fires. P ull the pin a im at the base of the fire s queeze the trigger s weep back and forth at the base of the fire until extinguished. List the steps to properly use a fire extinguisher. The cylinder for co2 fire extinguishers are seamless and extruded from high grade chrome molybdenum steel or manganese steel or carbon steel. Fires are classified according to the type of fuel that is burning.
Fire extinguishers meeting bs en3 are manufactured with a red body and have a band of a second colour. If this happens, douse the fire with the agent until the extinguisher is empty. Dry powders extinguish the fire by forming a crust on metal surface excluding air and also absorbs heat from the metal surface. Select the correct extinguisher for each class of fire. Class d extinguishing equipment is marked with a yellow star containing the letter d.
Unfortunately, there is not a universal fireextinguishing agent and therefore there is a possibility that using particular types of fire extinguishers on ignited. Extinguishers used for these fires are identified by a green triangle with. Water red foam cream dry powder blue co2 black wet chemical yellow. Remember they have limited capacity and will typically work for about 10 30 seconds depending on size, so use wisely. You dont want to mistakenly use a bc extinguisher on a class a fire, thinking that it was an abc extinguisher. It is important to take note that fire extinguishers can only put out small fires that are just starting bigger fires should be left to the professionals. But, discharging some extinguishers can create a whole new set of problems. The extinguisher must be easily accessible and in good working order. Aim the nozzle at the base of the flames, holding the. A brief lesson on the classes of fire and how to use a fire extinguisher there are four classes of fires. I have a vintage brass fire extinguisher bolted to the floor of the 40 its a pyrene heavy vehicle type like this. Fire extinguishers can be heavy, so its a good idea to practice picking up and holding an extinguisher to get an idea of the weight and feel.
Hopefully, discharging any extinguisher in a cockpit puts out the fire. Do not hold the horn as it becomes extremely cold during use and can lead to severe frost burns. Dry chemical is the most widely used type of fire extinguisher and is also recognized as a multipurpose abc fire extinguisher. Make sure before you tackle a fire you are between the fire and exit or escape route. Its simple to identify the type of fire extinguisher by the band of colour marked around the top of the cylinder. Use proper firefighting technique with a fire extinguisher. The successful use of a fire extinguisher depends on the following conditions. If the fire is too large or cannot be extinguished, pull the nearest fire alarm and evacuate. Acknowledge that extinguisher type must match fire class. This works similarly to the dry chemical extinguisher as the powder separates the fuel from oxygen or removes the heat, but this extinguisher is only used to fight combustible metal fires. Class d extinguishing equipment is marked with a yellow. Class a or ordinary combustibles this includes fuels such. An extinguisher is labeled according to whether the fire on which it is to be used occurs in wood or cloth, flammable liquids, electrical, or metal sources.
Using the wrong type of fire extinguisher on certain classes of fire could cause more harm than good and create an even bigger catastrophe. Fire is the rapid oxidation of any combustible material. Explain the multiclass markings on some fire extinguishers. The agent works by interrupting the chemical chain reaction. The most current issue of nfpa10 should be consulted for minimum recommended fire extinguisher types, placement and travel distances.
Fire extinguisher use it is important to know the locations and the types of extinguishers in your workplace prior to actually using one. It takes special extinguishing agents metalx, foam to fight such a fire. Use the right type of extinguisher for fighting the fire. In case of fire, your first responsibility is to escape unharmed and sound the alarm. Discussion in the hokey ass message board started by frank, nov 6, 2005.
Understanding how to use a fire extinguisher is an important part of staying safe. Dry chemical extinguishers put out fire by coating. Co2 fire extinguishers dont contain water or leave any residue, unlike a foam extinguisher, making them an ideal choice for environments with lots of electrical equipment like offices. Recommendations for colour coding to indicate the extinguishing media contained in portable fire extinguishers provides recommendations on colour coding of extinguishers standards are regularly updated and the current. This extinguisher takes away the heat of the fire only. Chapter 7 fire extinguisher firefighter 1 flashcards quizlet.
They are not for use on class c fires due to the shock hazard. Fire extinguishers should usually be mounted on the wall and near an exit. Newer fire extinguishers use a picturelabeling system to designate which types of fires they are to be used on so users can quickly identify the classes of fire on. Class d extinguishers are recommended on burning metal. Fire extinguisher training st marys, fetcham, fire extinguisher training. Your local amerex fire equipment distributor is professionally equipped to help you evaluate and implement these recommendations. If you use the wrong type of fire extinguisher on the wrong class of. It is designed to put out a small firenot a big one. Page 3 types of fire extinguishers different types of fire extinguishers are designed to fight different classes of fire. You can print it and place it next to the location of your fire extinguisher. Once the fire is out, carefully back away from the scene. Types of fire extinguishers nz new zealand fire extinguisher types differ from those found around the world. They range in size from 5 pounds to 100 pounds or larger. Fire extinguishers basic safety principles for portable extinguisher.
Carbon dioxidefire extinguishers extinguish the fire by separating the oxygen element from the fuel and heat, and also by removing the heat with a very cold discharge. If the fire is contained to a single object, such as a trash can, you may want to try using a fire extinguisher to put out the flames. Use the fire extinguisher only if you have attended practical. Designed to protect areas where class b flammable liquids and. Nfpa 10 this extinguisher should be inspected at regular intervals monthly or more often if circumstances dictate to insure that it is ready for use. The faa notes, the toxic effects of a typical aircraft seat fire, for example, far outweigh the potential toxic effects of discharging a halon fire extinguisher. Abcs of portable fire extinguishers a fire extinguisher is a storage container for an extinguishing agent such as water or chemicals. Fire extinguisher locations fire extinguishers are located throughout the workplace and readily accessible in the event of a fire. Know what to do if you find a fire be able to correctly and safely select and use a.
It is intended to give reasonable assurance that the fire extinguisher is fully. If you are replacing existing fire extinguishers it is easy to choose the correct fire extinguishers, as long as you are certain that nothing has changed in terms of fire risk since the last visit by a service engineer. A comprehensive database of more than 16 fire extinguisher quizzes online, test your knowledge with fire extinguisher quiz questions. The fire must be discovered in its incipient stage for the extinguisher to be effective. Class a fires involving ordinary combustibles such as wood, paper, cardboard, and most plastics. The forthcoming post is a 100% hypothetical scenario that ive generated based on the information that ive picked up doing research over time. Class d fire extinguishers are not used on any other class of fire. Before attempting to fight a fire with a fire extinguisher it is important to check that it is fully charged and that the safety pin is not bent. Read the instructions on the fire extinguisher before you need it and know that it is the right one for the job. You can usually find them in hallways, laundry rooms, meeting rooms, kitchens, mechanicalelectrical rooms, and near exit doors. It is essential that you are familiar which fire extinguisher is suitable for each class of fire. In the galley, an extinguisher should be mounted so you do not have to reach over the stove. It is not intended for use on an outofcontrol fire, such as one which has reached the ceiling, endangers the user i. Determining what type of fire extinguisher should be used when a fire breaks out can be a matter of life or death.