Here are a few tips on types of extinguishers, their uses and extinguisher safety.
Types of Fire Extinguishers
Water Foam (including wet chemical)
Dry Powder Carbon Dioxide
The rules for the colouring of fire extinguishers have now changed, all extinguishers have to be red. However, the colour code may still be used providing that no more than 5% of the extinguisher body is that colour.
Classes of Fire
Which extinguisher? - Water, Foam, Dry Powder, CO2 (Safe but not ideal).
Flammable Liquids - E.g. Petrol, Paraffin, Paints, Fats & Oils, Thinners, Solvents.
Which extinguisher? - Foam, Dry Powder, CO2.
Flammable Gasses- E.g. North Sea Gas, Butane, Propane, Acetylene, Hydrogen.
Which extinguisher? - Do not extinguish
Combustible Metals - E.g. Magnesium, Sodium.
Which extinguisher? - Do not extinguish.
Electrical Fires - Symbol: Zigzag arrow
E.g. electrical appliances/installations.
Which extinguisher? - Dry Powder, CO2.
Class F - Symbol: a frying pan
e.g Fires involving fats and cooking oils.
Which extinguisher - Liquid Chemical
Using a Fire Extinguisher
Safety rules when using an extinguisher