2. A Review of Chapter 5

3. USING ELECTRICITY IN YOUR HOME WORK, ENERGY, AND POWER

4. Work is a force moving through a distance

5. ENERGY : Is defined as the ability to do work

6. Power is the Rate at which Energy is Produced

7.  Measured in Joules if small amount of energy  Measured in Kilowatt-Hours if large amount

8. Useful Energy Obtained from an Appliance Energy Used to Operate the Appliance Efficiency =

9. REDUCE THE AMOUNT YOU USE  The use of electrical energy can be reduced by turning off unused lights and appliances  The use of electrical energy can be reduced by using more efficient lights and appliance

11. how does get to your home how does electricity get to your home Three wires supply the electricity to your home Two of these wires are “HOT” The third wire is a neutral wire

12. What do circuit breakers do? The main circuit breaker shuts off all the circuits in a home at once

13. What do circuit breakers do? Circuit breakers connect branch circuits to the electricity supply at the service panel

14. What are branch circuits? Branch circuits consist of lamps, lights, and outlets connected in parallel to a hot wire and a neutral wire A ground wire is included as a safety feature

15. Proper use of electricity gives many benefits Proper use of electricity gives many benefits Improper use of electricity can be hazardous Improper use of electricity can be hazardous

16. If you plan to dig near a buried electrical cable, it is best to call the local utility company first