PLANT ENGINEERING Jack Smith, Senior Editor, magazine

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Workforce Development May 13, 2002

Basics of electrical switches

A switch is an electromechanical device that completes or breaks a current path within a circuit, or sends current over a different path. Despite the many switch types, they have basic components in common. The operator initiates switch operation. The low-resistance metal contacts make or break the electrical circuit.

By PLANT ENGINEERING Jack Smith, Senior Editor, magazine
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