| | ELECTRICAL 2 |
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Unit | Timeframe (Dates are approximate and may vary.) | “This is an up-to-date course of instruction for beginners who wish to learn about electrical principles and practices. Although most of the information is directly related to residential installations, the concepts can be applied to commercial and light construction as well. Procedures and principles of electricity are carefully blended to provide an effective learning tool for the student.” (Quote from the 2020 Modern Residential Wiring book) |
Chapter 10: Raceway Systems |
September 1-30th | Objectives Become familiar with the many different types of raceway systems. Understand the distinct uses of different types of raceways, based on the NEC. Cut, prepare, and join various types of raceway materials. Practice essential conduit bending techniques. |
Chapter 11: Boxes, Fittings, and Covers |
October 1-31st | Objectives Identify the four common box shapes. Discuss the four types of boxes and their typical uses. Know how to remove a knockout and to gang boxes. Discuss box mounting systems and box fittings. Explain the purpose of ground clips and grounding bushings. Calculate box fill allotment. Discuss covers for different boxes and applications. |
Chapter 12: Device Wiring |
November 1-30th | Objectives Discuss the significance of listing or labeling electrical devices and materials. Properly prepare conductors for connection to devices and equipment. Make safe, secure conductor splices. Demonstrate the proper method for attaching conductors to switches and receptacles. Ground a receptacle. Split-wire a receptacle. |
Chapter 13: Lighting Systems |
December 1-31st | Objectives Understand basic lighting terminology. Explain the main types of lighting in a home. Identify various lighting fixtures. Select lighting fixtures for specific applications. Compare lamp types and lighting technologies. Identify various light switches. Make wiring connections for common lighting circuits. |
Chapter 14: Appliance Wiring and Special Outlets |
January 1-30th | Objectives Discuss NEC regulations for appliance circuits and other special circuits. Discuss installation practices for various appliances and special circuits. Describe the various methods of heating. Understand the basic electrical requirements of many common household appliances. |
Chapter 15: Overcurrent Protection |
February 1-28th | Objectives Explain the causes of overcurrent. List and describe electrical circuit overcurrent protective devices (OCPDs). Discuss the rating systems for an OCPD. Explain the operation of a ground-fault circuit interrupter (GFCI) and where it is used. Know which branch circuits require an arc-fault circuit interrupter. Understand how an AFCI works and the hazards it is designed to prevent. |
Chapter 16: Grounding |
March 1-31st | Objectives Cite working principles for electrical grounding. Explain equipment grounding and the methods used to install it. Explain how system grounding works. Define bonding and explain how it is done.
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Chapter 17: Service Equipment |
April 1-30th | Objectives List the components of the service. List eight basic guidelines when locating a residential main service panel. Select proper conductors and components for the service. Size and install conductors between the meter socket, main disconnect, and main service panel. List service drop clearances specified in the NEC. Provide proper grounding for a service. Explain the purpose of a step-down transformer and indicate where it is used. |
Chapter 18: Farm Wiring |
May1-31st | Objectives Describe electrical power distribution systems on farms. Describe an appropriate grounding system. Select materials and components for corrosive and damp conditions found on farms. Install conduit, wiring, and enclosures using appropriate farm wiring. Compute loads and design adequate circuits for various farm buildings and operations. Design and install an electrical power distribution system for a farm. |
