1. Electricity
Wiring Diagrams

3. Objectives
Determine the type of wire needed for circuits with on a handout with 80% accuracy.
List the rules for wiring a single pole and three way switch with 100% accuracy.
Demonstrate how to wire a variety of circuits on a handout with 90% accuracy.
Explain the role of the National Electric Code on a handout with 80% accuracy.

4. Reasons to Learn
Why do we need to know how to diagram an electrical circuit?
Why are there various types of circuits in a house?

5. Questions to Answer
What are some different types of circuits in a house?
What do we need to know before we can diagram a circuit?
What is an advantage of diagraming a circuit?
What are some rules for diagraming a circuit?
How do you choose the correct wire?

6. National Electric Code
List of standards for the safe wiring of electricity.
Can be adopted by state or local governments.
Important because it holds people accountable for their work.
Keeps people safe.

7. Wire Size

8. KEY Cable Hot wire Neutral wire Ground wire Re-identified
Solder less Wire Connector

9. Service Entrance Panel
240V Circuit
120V Circuit

10. Duplex Receptacles
Source

11. Wiring Rules From the source neutral (white) to silver screw
From the light, hot wire (black) from brass to single pole switch
From source connect hot wire to remaining screw to switch

12. Single Pole Switch

13. Switch Loop

14. 3 or 4 way Circuit Rules
From the source, Neutral to silver screw on light
From the light, black to black wire from the Brass (Common) screw on the three way switch.
From the source, connect hot wire to 2nd common screw of the switch
Travelers to travelers

15. Three Way Switch

16. Switch Loop 3 Way

17. Service Entrance Panel
240V Circuit
120V Circuit

18. Duplex Receptacles
Source

19. Single Pole Switch

20. Switch Loop 3 Way

21. Three Way Switch

22. Switch Loop 3 Way