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UNIT: ELECTRICAL SWITCHES AND RECEPTACLES

UNIT: ELECTRICAL SWITCHES AND RECEPTACLES. W. C. “BUSTER” HOUNSHELL SPRING 2002 Virginia Tech. OBJECTIVES:. Performance Objective:

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UNIT: ELECTRICAL SWITCHES AND RECEPTACLES

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  1. UNIT: ELECTRICAL SWITCHES AND RECEPTACLES W. C. “BUSTER” HOUNSHELL SPRING 2002 Virginia Tech

  2. OBJECTIVES: • Performance Objective: Students will be able to identify and list the different types of wall switches and receptacles commonly use in electrical wiring for the home or farm stead

  3. Enabling objectives: • Given the instruction in class, laboratory, and assignments- • Students will be able to list and identify the different types of wall switches, receptacles and their parts commonly used in wiring electrical circuits with a 70% accuracy:

  4. Single pole Three-way switch Four-way switch Double switches Pilot light switch Switch/receptacles Timer switches Automatic switches Motion- sensor switches Programmable switches Time-delay switch Dimmer switch Switches to list and identify:

  5. Normal receptacles 15 amps, 125 volts 15 amps,125 volts (grounded) 20 amps, 125 volts 15 amps, 250 volts High –voltage 30 amps 125/250 volts 50 amps, 125/250 volts Receptacles to list and identify:

  6. Interest approach: • The uses of electricity are numerous and new developments are appearing nearly daily. • Electricity provides our homes, farms, businesses and industries with valuable resources that would otherwise be unavailable to us. • Science, medicine, transportation and even communications have been fortunate to make rapid technological advancements related to our understanding of electricity.

  7. Interest approach: (Continued) • All phases of modern agriculture depend on the benefits of electricity • To better understand and benefit from the application of electricity • There are basic principles that one should become comfortable with.

  8. Technical Content PowerPoint Presentations • Electrical Switches • Special Purpose switches • Electrical Receptacles • GFCI Receptacles

  9. Evaluation: Receptacles and Switches

  10. Identify the following switch • 1. A. three way B. single pole C. four way

  11. Identify the following • 2. A. three way B. single pole C. four way

  12. Identify the following • 3. A. three way B. single pole C. four way

  13. Label the following: • 4. A._____grounding terminal B._____switch lever C._____screw terminals 1 2 3

  14. Label the following: • 5. A._____traveler screw terminal B._____common screw terminal 1 2

  15. Label the following: • 6. The correct name for No.1 and No.2 are: A. Common terminals B. Travel terminals 1 2

  16. Label the following: • 7. A._____mounting straps B._____amperage and voltage rating C._____wire gauge rating D._____wire compatibility rating 2 1 3 4

  17. Identify the following • 8. A. Switch/receptacle B. High voltage receptacle C. Duplex receptacle D. Pilot receptacle

  18. Identify the following • 9. A. Switch/receptacle B. High voltage receptacle C. Duplex receptacle D. Pilot receptacle

  19. Identify the following • 10. A. 15amp/125volt B. 15amp/125volt with ground C. 15amp/250volt D. 20amp/125volt w/ground

  20. Identify the following • 11. Color, neutral, hot, ground. A._______, _______ B._______, _______ C._______, _______ D._______, _______ b c d a

  21. Identify the type circuit • 12. A. High voltage B. Normal voltage C. 125 volts D. 250 volts E. Both A & D F. Both A & C

  22. Identify the following • 13. A. Duplex receptacle B. Grounded duplex receptacle C. Ground-fault circuit-interrupter receptacle D. Ground-fault circuit-interrupter circuit breaker

  23. Test Review

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