In this video, we’ll explain the theory behind system voltages and how they relate to the nominal voltage requirements for the proper operation of electrical equipment. We will also explain what might happen if we don’t follow NEC bonding and grounding requirements for separately derived systems.

This video is extracted from Mike Holt’s Understanding the 2020 National Electrical Code Complete Training Library. To learn more visit www.MikeHolt.com/Code or call 888.632.2633.

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