1. Electrical Fundamentals Parts Technician First Period Material Identification and Calculations 270103e

2. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 1 - Commonly used electrical symbols.

3. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 2

4. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 3 - Carbon atom.

5. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 4 - Aluminum and copper atoms.

6. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 5 - Electrons moving in a wire.

7. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 6 - Semiconductors.

8. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 7 - Insulators.

9. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 8 - Hydrocarbon insulator.

10. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 9 - Insulation on a conductor.

11. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 10 - Insulation preventing conductor contact.

12. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 11 - Parallel twisted conductors.

13. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 12 - Plastic or vinyl insulation on wiring.

14. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 13 - Starter solenoid and alternator stator.

15. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 14 - Rear window defogger.

16. © 2012, Her Majesty the Queen in right of the Province of Alberta Table 1 - AWG and SI metric wire sizing.

17. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 15 - Wire sizes.

18. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 16 - Trailer wiring cable.

19. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 17 - Protects battery terminals and cables.

20. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 18 - Insulation damaged and conductors shorted together.

21. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 19 - Protection of insulators and conductors.

22. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 20 - Iron filings placed over a permanent magnet.

23. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 21 - Horseshoe and bar magnets.

24. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 22 - Magnet and magnetic flux lines.

25. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 23 - Flux lines showing direction and parallelism (not crossing).

26. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 24 - Magnets attracting (unlike poles attract).

27. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 25 - Unlike poles attract and pull the magnets together.

28. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 26 - Like poles repel (magnets are forced apart).

29. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 27 - Devices with iron cores.

30. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 28 - Magnetic flux lines cannot be insulated.

31. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 29 - Non-magnetized and magnetized material.

32. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 30 - Magnetic flux lines surrounding a conductor.

33. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 31 - Conductor formed into a coil to make an electromagnet.

34. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 32 - Increasing current increases magnetic strength.

35. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 33 - Lightning shows the effects of voltage.

36. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 34 - Battery terminals labelled + (positive) and ­– (negative).

37. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 35 - Electromagnetic induction. (Courtesy Toyota Canada Inc.)

38. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 36 - Pyrometer and sensor.

39. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 37 - Knock sensor installed in an engine block.

40. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 38 - Resistance decreases as cross-sectional area increases.

41. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 39 - As length increases, resistance increases.

42. © 2012, Her Majesty the Queen in right of the Province of Alberta Table 2 - Resistance of a conductor 100 m long with a 1 mm 2 cross-sectional area at 20  C.

43. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 40 - Diagram showing conventional theory of current direction.

44. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 41 - Electron flow from a battery through a bulb.

45. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 42 - Two electronic components showing conventional current direction.

46. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 43 - DC current.

47. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 44 - Alternating current.

48. © 2012, Her Majesty the Queen in right of the Province of Alberta Table 3 - Applied voltage and resistance.

49. © 2012, Her Majesty the Queen in right of the Province of Alberta Table 4 - Various things that electric circuits can produce.

50. © 2012, Her Majesty the Queen in right of the Province of Alberta Table 5 - Various ways of producing 2000 watts of power.

51. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 45 - Manually operated switches.

52. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 46 - Pressure switches.

53. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 47 - Relay.

54. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 48 - Transistors.

55. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 49 - Electrical panel containing circuit protection devices and relays.

56. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 50 - Fuses.

57. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 51 - Circuit with blown fuse.

58. © 2012, Her Majesty the Queen in right of the Province of Alberta

59. Figure 52 - Fuses and the amperage of each fuse.

60. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 53 - Cycling circuit breaker.

61. © 2012, Her Majesty the Queen in right of the Province of Alberta

62. Figure 54 - Circuit breakers.

63. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 55 - Fusible link.

64. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 56

65. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 57

66. © 2012, Her Majesty the Queen in right of the Province of Alberta Figure 58