Powder (Blue) Like foam, the non-combustible powder smothers the fire. Unlike foam extinguishers, this type of extinguisher doesn’t contain water so can be used on live electrical equipment. Powder extinguishers can be used on class B (liquid), class C (gases), and class E (or electrical fires). Click to see full answer.
The 5 Types And Colours Of Fire Extinguishers And Their …
People Also Ask what do blue fire extinguishers contain
What is a blue powder fire extinguisher?
3. Powder (Blue) Dry powder fire extinguishers are red with a blue label. Like foam, the non-combustible powder smothers the fire. Unlike foam extinguishers, this type of extinguisher doesn’t contain water so can be used on live electrical equipment.
What are the types and colours of fire extinguishers?
The 5 Types And Colours Of Fire Extinguishers And Their Uses. 1 1. Water (White) Water is usually the first thing you think of for putting out fires. And water fire extinguishers are probably the most common. This … 2 2. Foam (Cream) 3 3. Powder (Blue) 4 4. Carbon Dioxide (Black) 5 5. Wet Chemical (Yellow)
What is a fire extinguisher made of foam?
Foam fire extinguishers emanate a film that rapidly smothers the fire’s oxygen supply, knocking down its flames. They offer great protection against petrol, oil and other flammable liquid fires. Class A Fires – involving normal combustible materials like wood, paper, cloth, plastic or rubber products
What is a chemical fire extinguisher used for?
Wet chemical fire extinguishers are red with a yellow label. It works by making chemical changes to burning oils, making them non-combustible. This type of fire extinguisher was specifically designed to be used on cooking oils and fats. In fact, it’s the main extinguisher used for class F (cooking fats and oils) fires.
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How Fire Extinguishers Work Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher