Introduction To Electrical Diagrams

Introduction To Electrical Diagrams


This is the fifth lesson in the Electrical Print Reading Course, and the first lesson covering electrical diagrams. This lesson presents information about the purpose of various types of electrical diagrams and how to interpret the information in the title block. It also explains how to make electrical drawing revisions.

Module Objectives

  • Explain the purpose and types of electrical drawings.
  • Describe the layouts of electrical diagrams.
  • Explain the information given in a title block in an electrical diagram.
  • Explain how to make electrical drawing revisions.


This course was designed to provide training for electricians, mechanics, and others, wanting to know more about electrical print reading. The eight lessons in this course present general information about electrical schematics and electrical diagrams showing and explaining how to read and interpret the symbols on an electrical schematics and electrical diagrams.


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