Introduction to Electrical Wiring Systems - Revised

Learn about essential electrical wiring systems, including raceways and device boxes, with this free online course.

Free Course
Can you imagine living without electricity? Electrical wiring gives us access to this vital part of life, which makes electricians highly valuable professionals. This Introduction to Electrical Wiring Systems online course will teach you what constitutes an electrical wiring system, proper handling techniques, and installation and storage procedures for different electrical wiring components, so that you can boost your career as an electrician.
  • Duration

    1-2 Hours
  • Assessment

  • Certification

  • Responsive

  • Publisher

    US AID




View course modules


This course will first introduce you to electric device boxes and their uses in electrical wiring systems. You will start by looking into the different types of device boxes that electricians work with. The course will discuss hand bending and teach you the processes of hand bending including the necessary equipment you need to use. You will learn about the importance of using hand benders on the job as well as study the techniques for using hand-operated conduit benders.

Next, you will study raceways and fittings. You will learn what makes up a raceway and how they are used to protect electrical wiring and provide a means of electrical wire identification. The course will also discuss raceway fasteners and anchors as well as conductors and cables. You will look into how electricians install conductors, which is the current-carrying portion of a wire along with its insulation. You will also study the different equipment needed to install and feed conductors in a conduit system.

The importance of properly installed electrical wiring cannot be underestimated. It enables safe and efficient electric power distribution throughout our modern cities. This Introduction to Electrical Wiring Systems online course will give you the confidence and competence you need to handle device boxes, conduit fittings, conductors, and cables as well as hand bending. So, check out the course and acquire a valuable skill in the electrical field today.

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Learning Outcomes

After successfully completing this course, you will be able to:

  • State the uses of electrical device boxes.
  • Discuss the terms associated with device boxes.
  • Apply the steps involved in making a 90-degree bend.
  • Describe the basic procedure involved in using a segment bending device.
  • State the typical fasteners used to attach raceways.
  • Outline the proper methods of storing, handling, and installing raceways.
  • List the terms associated with conductors and electrical cables.
  • Identify the use of fish tapes, wire grips, pull lines, and pulling equipment in installing conductors into conduits.


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