Fire Extinguishers 29 CFR

© Business & Legal Reports, Inc Session Objectives You will be able to: Identify different classes of fire Choose the appropriate type of extinguisher Use a fire extinguisher Inspect and maintain extinguishers

© Business & Legal Reports, Inc Fire Tetrahedron Oxygen Fuel Heat Uninhibited chain reaction

© Business & Legal Reports, Inc Class A Ordinary combustibles: Wood Paper Plastic Garbage

© Business & Legal Reports, Inc Class B Flammable liquids: Grease Gasoline Oil Solvents

© Business & Legal Reports, Inc Class C Energized electrical equipment: Appliances Switches Panel boxes Power tools

© Business & Legal Reports, Inc Class D Combustible metals: Magnesium Titanium Potassium and sodium Pyrophoric materials

© Business & Legal Reports, Inc Class K Kitchen fires: Added in 1998 Grandfathered if installed before 1998

© Business & Legal Reports, Inc Classes of Fires— Any Questions? Any questions about the fire triangle or the different classes of fires?

© Business & Legal Reports, Inc Extinguishing the Fire Remove heat Remove oxygen Remove the fuel

© Business & Legal Reports, Inc Water Extinguishers Rated only for Class A fires Spread a grease fire Cause an electrical shock on a Class C fire Increase a metal fire

© Business & Legal Reports, Inc Dry Chemical Extinguishers Best all-around choice Help prevent reignition Make a mess Class BC contains sodium bicarbonate Class ABC contains ammonium phosphate

© Business & Legal Reports, Inc Carbon Dioxide (CO 2 ) Extinguishers Class BC-rated Not effective on Class A fires Should not be used on Class D—metal fires Do not leave a residue Are a good choice for computers or electronics Must be used 3 to 8 feet from the fire

© Business & Legal Reports, Inc Metal/Sand Extinguishers Class D-rated Powdered copper Sodium chloride Form an airtight crust over the fire

© Business & Legal Reports, Inc Halon Extinguishers Gas interrupts fire’s chemical reaction Are Class BC-rated Protect valuable electrical equipment Have a range of only 4 to 6 feet Halon production is now banned

© Business & Legal Reports, Inc Halotron I Extinguishers Replace Halon 1211 Discharge as a liquid Leave no residue Are nonconducting Are ideal for computers and electronics Are Class BC-rated

© Business & Legal Reports, Inc FE-36 TM Extinguishers Halon 1211 replacement Less toxic No ozone depletion Class BC-rated

© Business & Legal Reports, Inc Water Mist Extinguishers Class AC-rated Safety from electrical shock Less scattering of burning materials Hospital environments and clean rooms

© Business & Legal Reports, Inc Types of Extinguishers— Any Questions? Any questions about the different types of fire extinguishers?

© Business & Legal Reports, Inc Fight-or-Flight Decision Alarm has been pulled Fire department has been called Fire is small and contained You can avoid the smoke Exit is clear Extinguisher is nearby You have been trained to use the extinguisher

© Business & Legal Reports, Inc PASS Pull Aim Squeeze Sweep

© Business & Legal Reports, Inc Inspect Extinguishers Monthly inspection Extinguisher not blocked Pressure is acceptable Pin and seal are intact No dents or damage

© Business & Legal Reports, Inc Care and Maintenance Keep extinguisher clean Replace if damaged Recharge immediately after use Have hydrostatic testing done Remove nonrechargeables after 12 years

© Business & Legal Reports, Inc Locations and Signs Readily accessible 75 feet—Class A 50 feet—Class B 50–75 feet—Class C 75 feet—Class D Highly visible sign

© Business & Legal Reports, Inc Types of Extinguishers— Any Questions? Any questions about using, inspecting, and maintaining fire extinguishers?

© Business & Legal Reports, Inc Key Points to Remember Fire tetrahedron Fire hazard class Know your extinguishers Fight or flight PASS