Class C fires involve energized electrical equipment. Extinguishers with a C rating are designed for use with fires involving energized electrical equipment.
Which type of fire extinguisher do you use to fight an electrical fire if carbon dioxide extinguisher is unavailable?
Both carbon dioxide and dry chemicals can be used for electrical fires. An advantage of carbon dioxide is that it leaves no residue after the fire is extinguished. When electrical equipment is not energized, extinguishers for Class A or B fires may be used.
What types of fire extinguishers can be used on an electrical fire and why?
CO2 – Suitable for Class B and Electrical Fires
Smothers fire quickly in draught-free conditions. A non-conductor, so can be used on live electrical equipment. Leaves no residue and is not as damaging to electrical equipment as powder. It’s an asphyxiate, so care should be exercised when using in confined spaces.
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 two types of fire extinguishers should you never use on an electrical fire?
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.
Which of these is the best to used on an electrical fire?
The best way to put out an electrical fire is with a fire extinguisher. If you don’t have one, remember these tips. 1. You should never throw water on an electrical fire because water conducts electricity and you could be electrocuted.
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 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.
Which two types of extinguishers could be used on an electrical fire?
CO2 fire extinguishers are used for fires involving electrical apparatus. CO2 is not a conductor and does not leave behind any harmful residue. Dry powder extinguishers can be used on Class A, B, C and electrical fires.