Class A: fire caused by combustible carbon-based solids such as paper, wood or textiles
Class B: fire caused by flammable liquids eg paraffin, petrol, diesel or oil (but not cooking oil)
Class C: fire caused by flammable gases, eg butane, propane or methane
Class D: fire caused by burning metals, eg aluminium, lithium or magnesium
Fires caused by electrical equipment (indicated by an electric spark symbol and not the letter E)
Class F: fire caused by fats and cooking oils.