Proper use of fire extinguishers is generally safe; however, there is some risk for mild respiratory, skin, or eye irritation. Use in areas with poor air flow, use with intent to harm someone, or intentional inhalation of fire extinguishers can produce serious toxicity and would require medical evaluation.
What type of fire extinguisher is harmful to human health?
The most common material used dry chemical fire extinguishers is ammonium phosphate (with some ammonium sulfate). These agents can cause health effects associated with inhalation and include upper respiratory irritation with such symptoms as coughing or discomfort in the chest.
Why do you never use a CO2 fire extinguisher on a person?
If a Carbon Dioxide extinguisher is only option and is used, do not spray in the face where it could be inhaled. Avoid non-burning skin if possible. Carbon dioxide can cause frost bite to occur on exposed body parts.
Should you use a fire extinguisher on a person on fire?
If someone else catches on fire, smother the flames by grabbing a blanket or rug and wrapping them up in it. If a fire extinguisher is available, use it to extinguish the flames. That could save them from serious burns or even death.
What else can a fire extinguisher be used for?
Explain the types of fire extinguishers
For use with combustible and flammable liquids like grease, gasoline, oil and oil-based paints. For use with electrical equipment like appliances, tools, or other equipment that is plugged in. For use with vegetable oils, animal oils and fats in cooking appliances.
What are the 4 types of fire extinguishers?
There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.
Are fire extinguishers toxic?
The dry powder in ABC fire extinguishers is non-toxic but can cause skin irritation. … The chemicals used vary by model and manufacturer but if they sprayed toxic chemicals they’d never be licensed for home use.
What is the difference between ABC and CO2 fire extinguisher?
CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.
Can you use fire extinguisher on electrical fire?
Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment. Both monoammonium phosphate and sodium bicarbonate are commonly used to fight this type of fire because of their nonconductive properties.
What to do if person is on fire?
If you or someone else cannot stop, drop, and roll, smother the flames with a blanket or towel. Use cool water to treat the burn immediately for three to five minutes. Cover with a clean, dry cloth. Get medical help right away by calling 911 or the fire department.
Do fire extinguishers expire?
Even if there’s no expiration date, it won’t last forever. Manufacturers say most extinguishers should work for 5 to 15 years, but you might not know if you got yours three years ago or 13. … If it falls anywhere else, the extinguisher is unreliable and should be serviced or replaced.