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.