1. Fire Extinguisher Training
Fire Triangle

2. The Fire Triangle Oxygen – to sustain combustion
Heat – to raise the material to ignition temperature
Fuel
Chemical, Exothermic Reaction – which is the fire
To take one away you will extinguish the fire

3. Classification of Fuels
Class A – Wood, paper, cloth, trash, plastic. Generally leave an Ash
Class B – Flammable liquids: gasoline, oil, grease. Generally involve materials that Bubble or Boil.
Class C – Electrical. Deal with electrical Current.
Class D – Metals: potassium, sodium, magnesium

4. Types of Extinguishers
Water (APW) – Air pressurized water used for Class A fires only
Carbon Dioxide (CO2) – For class B & C fires. This extinguisher replaces oxygen with CO2
Dry Chemical (ABC, BC, DC) -
Never use water to extinguish flammable liquid and electrical fires.

5. Rules for Fighting Fires
Assist any person in danger to safety
Activate the fire alarm and notify fire department
Attempt to extinguish the fire if it is small
If the fire is spreading rapidly, exit the building

6. Do Not Fight the Fire If…
You don’t have the appropriate equipment
The fire is producing a lot of smoke
If you are uncomfortable with the situation
ALWAYS KEEP AN EXIT AT YOUR BACK

7. How To Use The Extinguisher
Remember the acronym PASS
P – Pull
A – Aim
S – Squeeze
S - Sweep

8. How to Use a Fire Extinguisher (continued)
Pull the pin
Aim at the base of the fire
Squeeze the top handle or lever
Sweep from side to side