What is a blue fire extinguisher?
A blue fire extinguisher is a dry powder fire extinguisher. It has a blue label and is classified as an ABC extinguisher, which means it can be used on Class A (flammable solids), Class B (flammable liquids), and Class C (flammable gases) fires. Blue fire extinguishers can also be used on fires involving live electrical equipment up to 1000 volts. What does a blue fire extinguisher contain? A blue fire extinguisher contains a fine powder made of monoammonium phosphate or potassium bicarbonate. This powder is non-conductive, so it can be... Read More