1. Fire Extinguishers & Extension Cords

2. Objectives Identify the different classes of fires on a worksheet with 100% accuracy. Identify the types of fire extinguishers on a worksheet with 100% accuracy. List the safety features of extension cords on a worksheet with 100% accuracy.

3. Reasons to Learn Why should we learn how to use a fire extinguisher? Why should we know the different types of fire extinguishers and classes of fires? Why is it important to use extension cords? Why is it important to understand safety of extension cords?

4. Questions to Answer What are the different types of fire extinguishers? What are the classes of fires? How do you use a fire extinguisher? When is it important to use an extension cord? What are some of the do’s and don’ts when using an extension cord?

5. Fire Extinguishers Important to have in any home, shop, or workplace. Categorized into 4 types depending on what class of fire they are designed to put out.

6. Classes of fires Class A Fires that involve ordinary combustible materials (paper, wood, cardboard, and most plastics) Class B Fires that involve flammable or combustible liquids (gasoline, kerosene, grease, and oil) Class C Fires that involve electrical equipment (appliances, wiring, circuit breakers, outlets) Class D Fires commonly found in a chemical laboratory Class K Fires that involve cooking oils, trans-fats, or fats in cooking appliances

7. Types of fire extinguishers Water extinguishers- filled with water and pressurized with air Class A fires only Dry chemical extinguishers- filled with foam or powder and pressurized with nitrogen Class A, B, and C fires BC ABC Carbon dioxide extinguishers- contains CO2 and highly pressurized Class B and C fires

8. How to use a fire extinguisher http://videos.howstuffworks.com/howstuffworks/4656- how-fire-extinguishers-work-video.htm http://videos.howstuffworks.com/howstuffworks/4656- how-fire-extinguishers-work-video.htm

9. Extension Cords Length of flexible electrical power cable with a plug on one end and one or more sockets on the other end Incorporate safety features: Polarized plug and receptacle Grounded terminals Power-on indicator Fusible link Residual-current device (ground-fault circuit interrupter) Extension cords have either 2 or 3 wires Hot wire & neutral wire Hot, neutral, and ground

10. Safety Do’s Check the wattage rating. Keep extension cords away from water. Pull on the plug, not the cord. Unplug when not in use. Don’ts Plug one extension cord into another. Overload cords. Overheat an extension cord. Cover a cord with anything.

11. Review Shop safety is very important! Fire extinguishers Classes of fires Types Extension cords Safety