Common Materials such a Paper, Wood or most other combustibles. Flammable Liquids such as Gasoline, Paint Remover or Grease. Electrical Fires Combustible Metals usually found in industry Combustible Cooking
Hydrostatic Testing Required once every 12 years, the extinguisher is discharged and pressurized with water to check the integrity of the cylinder. 6 years Maintenance Every 6 years, all portable fire extinguishers shall be discharged, cleaned and recharged. Annual Inspection Required once a year and recorded on a tag attached to the extinguisher.