Q&A for How to Use a Fire Extinguisher

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  • Question
    How do I put off a fire if I don't have a fire extinguisher?
    David Decker
    David Decker
    Firefighting Expert
    David Decker is a Firefighting Expert based in Newark, Ohio. Assistant Chief Decker was a career firefighter for 32+ years at Newark Fire Department and served as an Assistant Chief for 14 years. As Assistant Chief, he was in charge of department operations and training. He is now the owner of Command Vision, a fire training company focusing on incident command. He also has a YouTube channel where he uploads dash-cam videos captured at fire scenes that serve as training material for fire officers who want to expand their knowledge. The channel features over 40 structure fire videos and has garnered 55k followers and more than 15 million views.
    David Decker
    Firefighting Expert
    Expert Answer
    To put out a fire without a fire extinguisher, first shut off the power to the source of the fire to ensure it's de-energized. Unplug the appliance or turn off the breaker. Then, if dealing with a grease or oil fire in the kitchen, use a wet towel or metal lid to smother the flames. Never use water on a grease fire, as it can cause the fire to spread rapidly. Take immediate action to extinguish a small fire while prioritizing your safety. Contacting your local fire department or 911 should be your priority if the fire is too big.
  • Question
    How do I dispose of a used extinguisher?
    Community Answer
    Community Answer
    Take it to a reputable fire extinguisher company and they will dispose of it for you or tell you how to do it yourself.
  • Question
    From what distance should I use the fire extinguisher?
    Community Answer
    Community Answer
    Depending on the size of the extinguisher, a distance of about 6-8 feet would work.
  • Question
    How far away should I be while using fire extinguisher?
    Community Answer
    Community Answer
    It depends on the size of extinguisher. You will typically need to be between 6 and 8 feet away.
  • Question
    Where should I be when using the extinguisher, in front of or behind the fire?
    Community Answer
    Community Answer
    Either is fine, but have your back to the fire exit, and aim at the base of the fire.
  • Question
    How do I know if a fire extinguisher is expired?
    Community Answer
    Community Answer
    There is a gauge meter on top of the fire extinguisher. When it goes to red that means it's expired.
  • Question
    Can a child use a fire extinguisher safely?
    Community Answer
    Community Answer
    No. A child might not be physically strong enough to trigger the extinguisher or to hold one.
  • Question
    What are the different parts of a fire extinguisher?
    Community Answer
    Community Answer
    It varies, but fire extinguishers usually include the following parts: the container, a handle/lever, a hose with a horn or nozzle, a safety pin and seal, a pressure gauge, a refillable cap, the fire extinguisher contents, and a tube filled with a gas canister or CO2 cartridge.
  • Question
    What can be used in place of an extinguisher?
    Community Answer
    Community Answer
    You can use a shovel and some sand or dirt, if accessible. A wet cloth or towel sometimes works if the fire is small enough.
  • Question
    What do I do if I pulled the pin on the extinguisher, but the extinguisher wasn't needed?
    Community Answer
    Community Answer
    This could cause a possible danger if somebody accidentally activates the extinguisher. All the pin does is unlock the mechanism, so if everyone in the area is informed about this, it should be OK to keep it. If in doubt, buy a new extinguisher.
  • Question
    Is it harmful if there is a sound coming from a previously used fire extinguisher?
    Community Answer
    Community Answer
    It's hard to say with each case, without knowing further details, including just what sound it is you're referring to. Check the extinguisher yourself, inform a professional or replace it. If it is past its useful date, then it must be replaced. If you're scared to use it, then be sure to have a professional check it.
  • Question
    How do I know if the fire extinguisher was used or not?
    Community Answer
    Community Answer
    You will see the rest of the extinguishing agent on the end of the hose. Also, if the needle in the pressure guage is on the red, it's been used.
  • Question
    What does the operator need to do first in order to discharge a CO2 portable fire extinguisher?
    Community Answer
    Community Answer
    Pull out the safety pins and then press the lever, then sweep it from side to side (you have to stand between 6-8 feet away from the fire). If the fire grows or the fire extinguisher is fully discharged, get out of there.
  • Question
    What else could put the gauge into the red zone?
    Community Answer
    Community Answer
    The gauge is connected to the propellant agent in the cylinder (store-pressure type). If the gauge needle is outside on the "Green Zone" (beside after being used/discharged), there may be some leakage of the propellant agent (usually nitrogen) due to vibration or other factors. If you are not sure, always refer to the manufacturer/authorized agent.
  • Question
    When should I use a fire extinguisher?
    Community Answer
    Community Answer
    Use it only when a fire is small and contained, doesn't cause excessive smoke, and you are sure you can tackle the fire.
  • Question
    How does the fire extinguisher magically stick to the wall when the guy puts it there?
    Community Answer
    Community Answer
    It does not "magically" stick to the wall. Some fire extinguishers are provided with mounting bracket, if they are intended to be mounted on the wall.
  • Question
    How does the fire extinguisher stay on the wall without supports?
    Community Answer
    Community Answer
    It doesn't. It needs supports of some kind.
  • Question
    What happens if I use the wrong type of extinguisher on a fire (e.g. Type A on an electrical fire)?
    Community Answer
    Community Answer
    In that scenario, the agent could short-circuit whatever you tried to extinguish, and you may get electrocuted. Sometimes it could also make the fire much worse.
  • Question
    When using a fire extinguisher, should all of the contents be used?
    John Isaac Calderon
    John Isaac Calderon
    Community Answer
    You'd be better off doing it. When the extinguisher is getting empty, leave the area.
  • Question
    How I can identify qualified persons to use a fire extinguisher?
    Community Answer
    Community Answer
    If you have not physical impediment and you are not a child, anybody can use a fire extinguisher. Each extinguisher comes with an information sticker that say how to use it and what it's for. It is worth it to spend some time reading the instructions, for your and everybody's safety.
  • Question
    How long does a fire extinguisher last when being used?
    Community Answer
    Community Answer
    The exact duration of useful discharge of a fire extinguisher depends on its type and capacity and the date of its last check and service. Older apparatuses tend to have a lesser discharge duration. The type, capacity, and date information is marked on the body of the apparatus.
  • Question
    How old should I be to use a fire extinguisher?
    Community Answer
    Community Answer
    There is no minimum age. So long as you're able to read the instructions, you should be able to operate the extinguisher correctly.
  • Question
    How do I stop a fire extinguisher?
    Community Answer
    Community Answer
    You can stop the discharge of the fire extinguisher agent by simply releasing the lever.
  • Question
    After using the extinguisher, should I carry it with me?
    Community Answer
    Community Answer
    No, it's best to leave the fire extinguisher behind if you're unable to extinguish the fire completely. It might hinder your escape, endangering you further.
  • Question
    What should be done if a fire extinguisher is accidentally squeezed and the pin is unlocked?
    Community Answer
    Community Answer
    Most of the time, all you'll do is let off a quick burst of the extinguishing compound before you let go. As for the extinguisher itself, if it isn't leaking, you can just put the pin back in and pretend nothing happened.
  • Question
    When I use a fire extinguisher, do I need to aim at the top or the bottom of the fire?
    Community Answer
    Community Answer
    Always aim at the bottom of the fire. Aiming at the top may not effectively extinguish the fire, and you will run out of product.
  • Question
    How much distance does the fire extinguisher cover?
    Community Answer
    Community Answer
    The discharge range varies from 6 - 20 feet, but the normal is 8 - 10 feet.
  • Question
    How should I direct a fire extinguisher with excessive pressure
    Community Answer
    Community Answer
    In case of excessive pressure, first coordinate with your team for back up, and while using the fire extinguisher, keep a distance of at least 5 to 6 feet, and your back should be toward the emergency fire exit.
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