Water extinguishers are for Class A fires only; they should not be used on Class B or C fires. The discharge stream could spread the flammable liquid in a Class B fire or could create a shock hazard on a Class C fire.
Which fire extinguisher is illegal?
Yellow extinguishers are illegal to possess or use on a fire as they contain emissions that affect the ozone layer. For all yellow BCF/halon extinguishers, please return to your local fire station.
Which fire extinguisher is unsuitable for electric fire?
Electrical fires need to be put out by a substance that is non-conductive unlike the water or foam found in class A fire extinguishers.
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.
Which extinguisher is most suitable for oil fires?
Wet Chemical fire extinguishers are the most effective against Class F fires (cooking oils and fats) e.g fats, grease and oil. Therefore they are practical in a kitchen environment.
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.
What is the main cause of death in fire?
The characteristic biphasic distribution of carboxyhemoglobin in fire victims together with other observations suggest that the principal causes of death are carbon monoxide followed by carbon dioxide poisoning and/or oxygen deficiency, while the influence of heat is considered to be of minor importance.
What do I do with old fire extinguishers?
For fully or partially charged fire extinguishers, you may contact your local fire department and inquire if you can drop off expired fire extinguishers at the firehouse. If they do not accept old tanks, you can go to a hazardous waste disposal facility.
Can you reuse a fire extinguisher?
After being used, even for just a small amount of time the fire extinguisher must be recharged and refilled (if the label says it is reusable). The fire extinguisher must not be expired as well. … After being used once the fire extinguisher can lose all pressure and not be useful in the event that another fire occurs.
What will happen if you use an expired fire extinguisher?
However, your fire extinguisher will only work well if it has not reached its date of expiration. Like every other thing you know, a fire extinguisher can expire. Unfortunately, not everyone knows this. When left unused for far too long, the extinguisher tends to lose its ability to extinguish fires.
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.
What is basic fire safety?
Put smoke alarms/detectors in strategic locations in your home, such as the kitchen, near bedrooms, and near fireplaces or stoves. Install at least one smoke alarm on every floor of your home, including the basement. Replace batteries in smoke detectors once a year. Check your alarm twice a year.