4. Principles of Extinction
● Cooling
● Smothering
● Starvation
Heat
Fire
Fuel
Fire
Fuel
Oxygen
Heat
Oxygen
Fire
5. Classification of Fire
● Class A (Solid fire) Paper / Wood / Cloth
● Class B (Liquid fire) Oil / Petrol/ Varnish
● Class C (Gas fire) Methane / Ethane
● Class D (Chemical Fire) Aluminium/Magnesium
● Class E Electrical / Electronics Fire
6. Fire Extinguishers
● Water Type for Class A fire only
● Dry Powder for Class A, B, C & E
● CO2 for Class B, C & E
For Electronic Equipment
its better to use CO2
instead of dry powder
Never use on Liquid
or Electrical Fire
7. Prevention of Fire
✔ Prevent Starting of Fire
✔ Prevent spreading of fire