Purpose of the NEC [90.1, 2020 NEC]
This video is extracted from Mike Holt's 2020 Changes to the National Electrical Code Video Library, for more information visit https://www.MikeHolt.com/code or call 888.632.2633. For almost 50 years, Mike Holt Enterprises has been providing quality electrical Code training to help electrical professionals learn the Code, prepare for exams, and improve their electrical knowledge. Visit https://www.MikeHolt.com for exam preparation tips and training, instructor and curriculum support, continuing education options, free videos and graphics, and so much more.

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Bonding communications systems and the hazard, NEC 2020 - [800.100] (55min:05sec)

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Voltage-Drop - Manufacturer and NEC Recommendations [210.19(A) Note 3, 2020 NEC]

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Industry Voltages
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Neutral at Switch Locations [404.2(C), 2020 NEC]

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Breakers, Wires, Fuses, and Overloads

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Ground-Fault Circuit Interrupters (GFCIs)
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Grounding, System and Equipment [250.4, 2020 NEC]

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Grounding and bonding

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