what are the different classes of fire extinguishers
Used for Classes A & B fires. Foam spray extinguishers are not recommended for fires involving electricity, but are safer than water if inadvertently sprayed onto live electrical apparatus. Dry Powder Fire Extinguishers : Often termed the âmulti-purposeâ extinguisher, as it can be used on classes A, B & C fires.
Wet chemical. Specialist extinguisher for class F fires. For Metal Fires: A specialist fire extinguisher for use on Class D fires-metal fires such as sodium, lithium, manganese and aluminium when in the form of swarf or turnings.