Types of Fire Extinguishers: What You Need to Know

Fire extinguishers are essential tools for fire safety-but choosing the right one for a specific situation can make all the difference.

Not every fire extinguisher works for every kind of fire—so,  understanding the different types can be the key to keeping a fire under control. 

Here’s a simple friendly guide to help you understand the various types of fire extinguishers, why their colours have changed over the years, and quick tips to use them effectively.

Why Did Fire Extinguisher Colors Change?

In the past, fire extinguishers came in different colours to indicate their type and use, but this often caused confusion. Today-most fire extinguishers are red, with color-coded labels or bands to help users quickly identify their type. This standardisation makes it easier to recognise which extinguisher to use in an emergency.

The Different Classes of Fire

Several classes of fire exist – each requiring a different approach to extinguish.

Knowing these can help you choose the right extinguisher:

• Class A: Fires involving ordinary combustibles like wood, paper, and cloth.
• Class B: Fires caused by flammable liquids like gasoline, oil, or paint.
• Class C: Fires involving electrical equipment, such as wiring or appliances.
• Class D: Fires involving combustible metals like magnesium or aluminum.
• Class K: Fires involving cooking oils or fats, commonly found in kitchens.

Each class of fire requires a specific type of extinguisher—be careful-using the wrong one can be ineffective or even dangerous.

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Types of Fire Extinguishers and Their Uses

Here’s a breakdown of the main types of fire extinguishers and when to use each:

         1- Water Extinguishers (Red Label)

• Used for: Class A fires (wood, paper, fabric).
• Do not use for: Class B, C, D, or K fires.
• How it works: These extinguishers cool the burning material, stopping the fire from spreading.
  

  2- Foam Extinguishers (Cream Label)

• Used for: Class A and B fires (especially effective for flammable liquids).
• Do not use for: Electrical fires (Class C).
• How it works: The foam forms a blanket over the fire, cutting off oxygen and preventing re-ignition.
  

  3-Dry Powder Extinguishers (Blue Label)

• Used for: Class A, B, and C fires; also works on some metal fires (Class D).
• Do not use for: Fires in enclosed spaces, as the powder can reduce visibility and breathing.
• How it works: This extinguisher smothers the fire, interrupting the chemical reaction.
  

  4-CO₂ Extinguishers (Black Label)

• Used for: Class B and electrical (Class C) fires.
• Do not use for: Class A fires (not effective for materials like paper or wood).
• How it works: CO₂ displaces oxygen, smothering the fire and cooling it.
  

  5-Wet Chemical Extinguishers (Yellow Label)

• Used for: Class K fires (cooking oils and fats).
• Do not use for: Most other types of fires.
• How it works: The chemical forms a soapy layer over the burning oil, cooling it and stopping the flames.

Check Our Quick Tips on using a Fire Extinguisher 👇

        1- P.A.S.S. Technique

Remember the acronym PASS to use an extinguisher correctly:

• Pull the pin.
• Aim the nozzle at the base of the fire.
• Squeeze the handle.
• Sweep from side to side.
  

  2- Know Your Fire Class

  : Before attempting to put out a fire, make sure you know what’s burning so you can choose the correct extinguisher.

  3- Always Have an Exit

  : Never let a fire block your escape route. Stand with your back to the exit when using an extinguisher.

You may underestimate the importance of knowing all the types of fire extinguishers-but in case of an emergency, having the right extinguisher and knowing how to use it, will make a whole lot of difference.

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