Why should a fire extinguisher never be used on a person?

Author: Zakary Rowe  |  Last update: Tuesday, February 24, 2026

Direct contact of the skin with the pressurized CO2 can cause frostbite. The damage to the skin can be limited to mild redness, but blisters are also possible. Damage to the eyes can also occur with direct exposure. If you suspect someone has inhaled spray from a fire extinguisher, get them to fresh air immediately.

Why are you not to use a fire extinguisher on a person?

If you must use a fire extinguisher, remember to never use a co2 based extinguisher on a person. A Co2 fire extinguisher works by covering the target with a layer of carbon dioxide gas, which can cause frostbite, mild to extreme respiratory problems, and suffocation or death in some instances.

What happens if you get a fire extinguisher on you?

If you get fire extinguisher powder on your skin or in your eyes, it is important to take immediate action to minimize irritation and prevent further complications. The powder can cause skin and eye irritation, and while it is not toxic, it can still have negative health effects.

What type of fire extinguisher is harmful to human health?

While water-based, foam fire extinguishers contain additional chemicals which can be harmful if ingested. This is why these units should always be used safely and it's recommended to wear googles and impermeable gloves if the clean up of fire extinguisher foam is required.

Is a fire extinguisher safe for skin?

The dry powder in ABC fire extinguishers is non-toxic but can cause skin irritation.

4 Mistakes People Make with Fire Extinguishers

What should a fire extinguisher never be used on?

Use: Water fire extinguishers are best for combatting Class A fires, for example fires involving organic solid materials, such as wood, cloth, fabric, paper and plastics. Dangers: Do not use on burning fat or oil and also never use on fires involving electrical appliances.

Where not to use fire extinguisher?

Aiming the extinguisher directly at a burning liquid while you are near it. Directly aiming the extinguisher at a burning liquid while standing near it can be a dangerous course of action. When a liquid is on fire, it may create a pool of flames that can quickly spread to other surfaces or even engulf the entire area.

What are the dangers of using a fire extinguisher?

Health hazards to bystanders

A CO2 fire extinguisher discharged in a confined space can quickly make it difficult to breathe. Similarly, a foam fire extinguisher uses powerful chemicals that are deadly for fires but can also harm people who they come into contact with.

Is it illegal to use a fire extinguisher when there is no fire?

Did you think there was a fire and there wasn't? In both of these cases there would be no legal repercussions, unless you damaged something, which is possible using a dry chemical extinguisher around electrical equipment. If it was malicious however there could be charges.

Why are fire extinguishers hazardous?

Hazards. Contents are under pressure and may explode when combined with other materials. Very old fire extinguishers may contain carbon tetrachloride, a known carcinogen.

How to clean up after a fire extinguisher?

Vacuum or sweep up loose debris. Spray stuck-on residue with isopropyl alcohol diluted 50 percent with warm water. Let the solution sit for several minutes, and then wipe with a damp rag. To neutralize sodium bicarbonate and potassium bicarbonate residue, apply a solution of 98 percent hot water and 2 percent vinegar.

What to do if a fire extinguisher goes into your eyes?

If a chemical splashes into your eye, take these steps immediately.
  1. Wash your hands with soap and water. Thoroughly rinse your hands to be sure no chemical or soap is left on them.
  2. Remove contact lenses (if wearing).
  3. Flush your eye with water. Use clean, lukewarm tap water for at least 20 minutes.

How do you know a fire extinguisher is unsafe?

Check the pressure gauge – Examine where the gauge needle is. A needle within the green zone is good. A needle in the left red zone means that the fire extinguisher is undercharged and warrants a recharge, while a needle in the right red zone signals a danger of being overcharged. 4.

What happens if you get fire extinguisher on you?

Direct contact of the skin with the pressurized CO2 can cause frostbite. The damage to the skin can be limited to mild redness, but blisters are also possible. Damage to the eyes can also occur with direct exposure. If you suspect someone has inhaled spray from a fire extinguisher, get them to fresh air immediately.

Why shouldn't you open a window in a fire?

Knowing this, it can be tempting to break open windows to allow the smoke to billow out of the building, but this is the wrong thing to do. Breaking open windows allows the fire to gain more access to oxygen which helps the fire grow, which would greatly decrease your chances of escape.

What is the first thing to do if there is a fire in the lab?

In case of lab fire or explosion, ensure your safety first and call emergency responders immediately for help. If possible, shut down the electric power before evacuating the area. Use a wet towel to cover mouth and nose as protection against heavy smoke. Pull fire alarms and evacuate the building safely.

Why a fire extinguisher should never be used on a person?

Answer: If you must use a fire extinguisher, remember to never use a co2 based extinguisher on a person. A Co2 fire extinguisher works by covering the target with a layer of carbon dioxide gas, which can cause frostbite, mild to extreme respiratory problems, and suffocation or death in some instances.

Is stealing a fire extinguisher a felony?

If you steal a fire extinguisher and are convicted of a third-degree felony, you can face a maximum fine of $5,000 and a prison sentence of not more than five years. This is the same level of punishment faced by those charged with stealing firearms, motor vehicles or controlled substances.

Can an untrained person use a fire extinguisher?

Conclusion: Ordinary people with NO training can safely and effectively use a fire extinguisher during a fire emergency, and minimal training improves results.

When should you not use a fire extinguisher?

There are times when you should not fight a fire with a portable extinguisher: IF the fire is spreading beyond the immediate • area where it started or is already a large fire. IF you are in doubt about whether the • extinguisher is the proper type for the fire at hand.

Can a fire extinguisher hurt someone?

Since fire extinguishers contain hazardous chemicals, when you breathe in these chemicals, they can cause serious health problems. Some of the most common health issues associated with fire extinguishers include: Lung Problems: When you breathe in toxic fumes, they enter your lungs.

What should you never use a fire extinguisher for?

Water fire extinguishers are NOT suitable for electrical fires as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.

When not to use a red fire extinguisher?

Red – Water Extinguishers

These water extinguishers work by cooling the flames and reducing the fire's temperature to extinguish it effectively. It's important that these types of fire extinguishers are not used on any electrical fires, kitchen fires, flammable liquids, or gas fires.

How hazardous is fire extinguisher?

Are fire extinguishers dangerous? The chemicals left over by powder fire extinguishers can be an irritant to your lungs, eyes, and throat. The chemicals left over by foam fire extinguishers can be carcinogenic. To make sure you stay safe while cleaning up, wear a dust mask, gloves, and goggles.

What is the first thing you should do if you discover a fire?

Activate the first fire alarm you see and try to help others to evacuate the building. Close doors behind you to help prevent the fire from spreading. Follow the evacuation procedure if you're at your workplace or follow the escape route signs if you're a visitor. Listen to instructions given by the Fire Marshal.

Previous article
Why is shaker style so expensive?
Next article
What happens if AC condenser gets wet?