State of Georgia BASIC FIRE FIGHTER TRAINING COURSE PORTABLE FIRE EXTINGUISHERS

CLASSES OF FIRE Class A - ordinary combustibles Class B - flammable liquids Class C - energized electrical Class D - Combustible metals. Fire Extinguishers

EXTINGUISHING AGENT Water Used on class A fires Extinguishes by reducing temperature Fire Extinguishers

EXTINGUISHING AGENT Foam Used on class A and B fires Extinguishes by reducing temperature and smothering Fire Extinguishers

EXTINGUISHING AGENT Halon Used on class B and C fires Extinguishes by interrupting the chemical chain reaction Fire Extinguishers

EXTINGUISHING AGENT Carbon Dioxide Used on class B and C fires Extinguishes by displacing the oxygen and smothering the fire Fire Extinguishers

EXTINGUISHING AGENT Dry Chemical Ordinary base used on class B and C fires Multipurpose base used on class A, B, and C fires Extinguishes by interrupting the chemical chain reaction Fire Extinguishers

EXTINGUISHING AGENT Dry Powder Used on certain class D fires Extinguishes by smothering the fire Fire Extinguishers

FIRE EXTINGUISHERS TYPES Pump Tank

FIRE EXTINGUISHERS TYPES Stored Pressure

FIRE EXTINGUISHERS TYPES Cartridge Operated

FIRE EXTINGUISHERS TYPES Self Expelling

OBSOLETE EXTINGUISHERS Includes: All inverting type extinguishers Soda acid Inverting foam Inverting cartridge operated Carbon tetrachloride All obsolete extinguishers should be removed from service Fire Extinguishers

EXTINGUISHER RATING Letter Rating Numerical rating denotes the class of fire on which extinguisher can be used may have multiple ratings Numerical rating only given for class A and B extinguishers denotes the relative extinguishing potential of the extinguisher 10A will extinguish ten times as much fire as 1A 10B will extinguish ten times as much fire as 1B Fire Extinguishers

EXTINGUISHER LABELING Letters Geometric shapes Pictographs Fire Extinguishers

EXTINGUISHER LABELING Green Triangle A - for class A fires Red Square B - for class B fires Blue Circle C - for class C fires Yellow Star D - for class D fires Fire Extinguishers

EXTINGUISHER LABELS Pictographs Class A Class B Class C Fire Extinguishers

EXTINGUISHER LABELS Examples Class A; not for class B, C Class A, B; not for class C Class B, C; not for class A Class A, B, C Fire Extinguishers

USING PORTABLE FIRE XTINGUISHERS Select the appropriate extinguisher P - Pull the pin A - Aim the nozzle S - Squeeze the handle S - Sweep the nozzle from side to side Fire Extinguishers

VISUAL INSPECTION Location General condition Operating instructions tamper seal, pin & inspection tag pressure gauge hose & nozzle physical damage Operating instructions Defective extinguishers should be replaced Fire Extinguishers