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About the video
This lesson covers the fundamental electrical blueprint symbols that apprentices need to understand for reading and interpreting plans. You’ll learn about various symbols for receptacles, including duplex, GFCI, and 240-volt plugs, as well as the symbols for different types of switches like single pole, three-way, and dimmer switches. The video also explains lighting symbols, including recessed cans, track lights, and chandeliers, and miscellaneous symbols such as smoke detectors and junction boxes. By mastering these symbols, you’ll be equipped to wire and troubleshoot most electrical installations accurately. To get started, go to the Lesson Content tab and click on the video.
About the quiz
Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.
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Charges are rewards you earn for engaging in our learning system. You receive charges for completing both the video and the quiz in each lesson. The amount of charges available for each lesson is displayed in the “Lesson Features” box on the right. The charges you earn are based on the time it takes you to complete the lesson, which is also indicated in “Lesson Features.”
Lesson Content
