Here’s a clear breakdown of fire extinguisher types and their uses, based on fire classes:
🔥 Fire Classes (Basics)
Class A – Ordinary combustibles (wood, paper, cloth, plastics)
Class B – Flammable liquids (petrol, diesel, paint, grease)
Class C – Flammable gases (LPG, CNG, methane)
Class D – Metals (magnesium, titanium, aluminium)
Class K (
Here’s a clear breakdown of fire extinguisher types and their uses, based on fire classes:
🔥 Fire Classes (Basics)
Class A – Ordinary combustibles (wood, paper, cloth, plastics)
Class B – Flammable liquids (petrol, diesel, paint, grease)
Class C – Flammable gases (LPG, CNG, methane)
Class D – Metals (magnesium, titanium, aluminium)
Class K (or F in some regions) – Cooking oils and fats
🧯 Fire Extinguisher Types & Uses
Water Extinguishers (APW – Air Pressurized Water)
Use: Class A (wood, paper, textiles)
Not for: Class B, C, electrical fires (risk of spreading or shock)
Foam Extinguishers (AFFF – Aqueous Film Forming Foam)
Use: Class A & B (solid combustibles + flammable liquids)
Not for: Class C (gases) or electrical fires
Dry Powder Extinguishers (ABC Powder)
Use: Class A, B, C (most common multipurpose type)
Special Dry Powder (Class D): For metal fires only
Note: Leaves residue, can damage electronics
Carbon Dioxide (CO₂) Extinguishers
Use: Class B (liquids) & Electrical fires
Advantages: Leaves no residue, safe for equipment
Not for: Class A (ineffective on deep-seated fires)
Wet Chemical Extinguishers
Use: Class K/F (kitchen fires – cooking oils & fats)
Also works on: Class A fires (wood, paper, etc.)
Special Feature: Creates a cooling and smothering layer
✅ Quick Reference:
Water → A
Foam → A, B
Dry Powder (ABC) → A, B, C (general purpose)
Dry Powder (Special) → D
CO₂ → B, Electrical
Wet Chemical → K/F, A
To view more such document please visit 👉🏻 YourFM Document Hub – SOPs, Checklists & Compliance Documents
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25 September, 2025 at 00:21 favorite_border 1
Ŵell defined. With EV charging stations now, there is one more type called F-500 for Electrical Fires..