Water Fire Extinguishers are completely red with no coloured band.
Class A – Paper, textiles, wood, most plastics & rubber
Foam fire extinguishers are marked with a blue band.
Class A – Paper, textiles, wood, most plastics & rubber Class B – Flammable liquids
Carbon Dioxide (Co2) Fire Extinguishers have the distinctive black band
Class B – Flammable liquids Class E – Electrical
ABE Dry Powder Fire Extinguishers have a white band
Class A – Paper, textiles, wood, most plastics & rubber Class B – Flammable liquids Class E – Electrical Note: Dry Powder extinguishers are ok to use on electrical fires, but electrical components will often incur damage.
Wet Chemical Fire Extinguishers, marked by an oatmeal coloured band
Class A – Paper, textiles, wood, most plastics and rubber Class F – Cooking oils or fats