Discover the safety features in a hair dryer's plug. In the first of two videos on hair dryers, viewers watch as the plug for a hair dryer is taken apart. The video explains how a ground fault interrupt circuit in the plug works.

Concepts

engineering design, mechanical engineering, electric circuits, technology resources

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Instructional Ideas

• Have a hair dryer already taken apart so learners can see the actual components

Classroom Considerations

• Pupils need to have a basic understanding of electrical components, such as capacitors, resistors, and transistors
• Individuals should also know what it means for something to be grounded electrically
• The fourth in a series of 14 videos

• This video is hosted on YouTube

Pros

• Includes closed captioning and subtitles in several languages
• Video provides some safety tips when dealing with electrical components

Cons

• None