This depends on the Class (type) of fire. Kindly refer to the below for guidance.

 

Class A Fires (Organic material such as paper & coal) – Foam & Dry Powder fire extinguishers

Class B Fires (Flammable liquids such as petrol & paint) – Foam, Dry Powder & CO2 fire extinguishers

Class C Fires (Flammable gases such as butane & methane) – Dry Powder fire extinguishers

Class D Fires (Flammable metals such as lithium & magnesium) – Dry Powder fire extinguishers

Electrical Equipment (such as computers and servers) – Dry Powder & CO2 fire extinguishers