Fires involving solid materials such as wood, paper or textiles.
Fires involving flammable liquids such as Petrol, Diesel or Oils.
Fires involving gases such as Natural Gas, Propane.
Fires involving combustable metals such as Sodium, Potassium, Lithium.
Fires involving live electrical apparatus, short circuiting. (Technically ‘Class E’ doesn’t exists however this is used for convenience here)
Fires involving cooking oils such as in deep-fat fryers.