What extinguishing agents are used in a fire extinguisher?
There are eight different extinguishing agents used in fire extinguishers. They consist of ABC Dry Chemical, BC Dry Chemical, Dry Powder, Water, Foam, Wet Chemical, Halogenated, and Carbon Dioxide.
What are the types of portable fire extinguishers?
TYPES OF PORTABLE FIRE EXTINGUISHERS Class A (most common) – Identified by a green triangle containing the letter A. – Used for wood, paper, cloth, cardboard, and most ordinary combustibles. – Cool and quench using water. Class B – Identified by a red square containing the letter B.
Which is the best agent to extinguish an 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 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 are the 5 different classes of fire?
Fires can be classified in five different ways depending on the agent that fuels them: Class A, Class B, Class C, Class D, and Class K. Each type of fire involves different flammable materials and requires a special approach.
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.
When operating a portable fire extinguisher it is safest to approach the fire?
The acronym PASS is used to describe these four basic steps. Approach the fire standing at a safe distance. Aim the nozzle or outlet towards the base of the fire. Squeeze the handles together to discharge the extinguishing agent inside.
What is the best defense against fire?
As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.