OBJECTIVES:
Upon completion of this lesson, you will be able to:
- Describe the Classification of Fire and Extinguishing Agents.
- Describe the Some Common Extinguishing Agents.
- Describe the Classification of Fire by Volume.
- Describe the Portable Fire Extinguishers Color Code.
- Describe the Method to use of Fire Extinguishers.
- Describe the Section View of a Fire Extinguisher.
All Fire Extinguishers Classification by Color Codes and Volume & Extinguishing Agents
Classification of Fire and Extinguishing Agents:
| Fire class | Status of fire | Material of fire | Extinguisher Type |
| A | Solid combustible Material | Wood, Cloth, Rubber, Wool, plastics | Water |
| B | Flammable liquids | Benzene, Oil products, Paints, Alcohol | Foam (AFFF ‘ PROTIENE)’ |
| C | Flammable Gas | Natural gas, LPG, Methane, Propane | Dry Chemical ‘ Powder, Halotron |
| D | Fire in combustible light metals | Magnesium, Titanium, Potassium etc. | Dry Powder |
| E | Fires in Electrical circuits/ equip. | Electrical equipment and appliances. | CO2. Halotron |
| F | Kitchen fire | Oils, Cooking oils. | Wet Chemical Extinguisher |
Some Common Extinguishing Agents:
| Agent | Contents | Extinguishing Method |
| Water | Water | Cooling |
| Foam | Protein Flouro Protein foam AFFF (Aqueous Film Forming Foam) FFFP {Film Formina Flouro Protein Foam) | Smothering |
| C02 | Carbon Dioxide Gas | Smothering |
| Agent | Contents | Extinguishing Method |
| Dry Chemicals | TypeA,B,C,&E | Breakdown of Chain reaction |
| Combustible Metal Extinguishers | Special dry Chemical | Breakdown of Chain reaction |
Classification of Fire by Volume:
| Sr. | Classification | Criteria |
| 1 | Minor Fire | Fire Extinguisher, Hose Reel |
| 2 | Small Fire | 1 to 2 Jets. |
| 3 | Medium Fire | 3 to 8 Jets. |
| 4 | Large Fire | 9 to 18 jets. |
| 5 | Major Fire | 18 + jets. |
Portable Fire Extinguishers Color Code:
| Class | Type of Fire | Extinguisher | Colour Code |
| A | Carbonaceous Materials | Water | Red |
| B | Flammable Liquid | Foam | Cream |
| C | Flammable Gas | Dry Chemical Powder, Halotron | Blue, Green |
Portable Fire Extinguishers Color Code:
| Class | Type of Fire | Extinguisher | Color code |
| D | Light Metal Fires | Dry Powder | Blue |
| E | Electrical | Co2 | Black |
| F | Kitchen Fire | Wet Chemical | Golden |
Method to use Fire Extinguisher:
P = Pull the safety pin
A = Aim at the seat of the fire
S = Squeeze the handle
S = Sweep the fire
Section View of Fire Extinguisher
SECTION VIEW OF FIRE EXTINGUISHER
Emma Lee, an expert in fire safety with years of firefighting and Rescuer experience, writes to educate on arescuer.com, sharing life-saving tips and insights.