Electrical Print Reading

Provided by: ToolingU

“Electrical Print Reading” provides a fundamental overview of common electrical prints and symbols. The most common prints are pictorial, one-line, schematic, and wiring diagrams. Pictorial diagrams use illustrations to represent circuit components, but the other common types of diagrams use symbols. There are many different symbols, and some symbols have different variations. Diagrams include symbol keys to indicate what symbols represent, and sometimes symbols are labeled to make them easier to understand. This class introduces users to the types of prints and symbols that they are most likely to see, which will prepare them for reading and writing their own electrical prints. These are integral skills for working with electrical systems, since almost all electrical projects, from designing a circuit to troubleshooting one, involve electrical prints.

Course Objectives:

  • Describe electrical prints
  • Distinguish between common electrical prints
  • Describe pictorial diagrams
  • Describe one-line diagrams
  • Describe schematic diagrams
  • Describe wiring diagrams
  • Distinguish between other common types of electrical prints
  • Describe symbol labels on electrical prints
  • Identify common electrical symbols
  • Identify common power control device symbols
  • Describe the importance of the symbol key for reading electrical prints
  • Describe how electrical prints assist with troubleshooting.

Recommended Background

  • Recommended for mechanical/electrical/plumbing maintenance technicians.

Course ID







Communication, Critical Thinking, Personal Effectiveness, Electricity, Electrical Prints

Method of Delivery


Estimated Effort

1.5 hrs



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