Classes of Fire Explained (A, B, C, E): Which Extinguisher Stops What

Not all fires are the same, and the wrong response can turn a small one into a disaster. That is why fires are sorted into classes, based on what is burning. Once you know the classes, choosing the right extinguisher becomes simple.

Class A: ordinary materials

Wood, paper, cloth, furniture and most household items. These are the fires water can safely put out, along with ABC powder extinguishers.

Class B: flammable liquids

Petrol, diesel, oil, paint and similar liquids. Never use water, which spreads the fire. Use dry powder, foam or CO2.

Class C and E: electrical fires

Fires involving live electrical equipment, from wiring to appliances. These are the most common cause of fire in India. Water is dangerous here. Use dry powder or CO2, or an automatic fire ball designed for electrical fires.

A quick word on kitchen oil

Cooking oil fires behave differently from other liquid fires and should be smothered, never doused with water. Our guide on putting out a kitchen fire covers this.

Why this matters when you buy

An ABC extinguisher covers ordinary, liquid and electrical fires, which is why it is the sensible home default. A FireXross automatic ball works across Class A, B, C and E fires, so it protects the full range of situations an Indian home or shop faces, with no decision needed in the moment. See how it works in our explainer or view the range.

Frequently Asked Questions

What are the classes of fire?

Broadly: Class A for ordinary materials, Class B for flammable liquids, and Class C or E for electrical fires. Cooking oil fires are treated as a special case.

Which extinguisher works on electrical fires?

Dry powder or CO2 extinguishers, or an automatic fire ball rated for electrical fires. Never use water.

What fire classes does a FireXross ball cover?

It works across Class A, B, C and E fires, covering the most common risks in Indian homes and businesses.

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