Electrical Circuits and Supplies

In Maintenance

Contents

This is the second lesson in the iKNOWâ„¢ Electrical Safety Library. This
lesson explains the relationship between voltage, current and
resistance. It also demonstrates the correct method for selecting,
inspecting, and handling extension cords and portable electric hand
tools, and the purpose of ground fault interrupters is explained.

  • Electrical Circuits and Supplies

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