The 2020 National Electrical Code (NEC) is Now Available!
Throughout the United States and around the world, NFPA 70®: National Electrical Code® (NEC) sets the foundation for electrical safety in residential, commercial, and industrial occupancies.
The 2020 edition of the National Electrical Code (NEC), provides new and updated information on safe and effective electrical design, installation, and inspection in residential, commercial, and industrial settings.
Important Changes Include:
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Exterior Emergency Disconnects: New requirements to improve electrical safety for emergency responders at one- and two-family dwelling installations.
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Deenergizing Panel Boards: Revised service disconnect rules to help increase electrical worker safety.
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Marinas and Boatyards: Updated ground-fault protection and leak age-current measurement device requirements.
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Conducting Load Calculations: Modernized tables for calculations to reflect improvements in energy efficiency.
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Power Over Ethernet: Revised requirements to meet the installation practices of new and evolving technologies
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 Learn the most essential changes to the 2020 NFPA 70 National Electrical Code (NEC)®.
Don’t let a change in code catch you unaware!
Analysis of Changes, 2020 NEC is a must-have resource that brings you up to speed with the ever-changing NEC code.
Written by industry experts from the International Office of IAEI with input from the IAEI representatives who sit on the NEC® code-making panels, this comprehensive book is a must-have resource you will reference throughout the years.
Four new articles include:
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Overvoltage Protection, Article 242;
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Medium Voltage Conductors and Cable, Article 311;
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Type P Cable, Article 337;
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General Requirements for Communications Systems, new Article 800.
Learn about significant changes regarding GFCI protection, grounding conductors, lighting load calculations, surge protection and outdoor emergency disconnects for dwelling units, circuit current rating for switchboards, switchgear, and panelboards, grounding and bonding of HVAC equipment on rooftops, areas covered and not covered in health care facilities, manufactured buildings and relocatable structures, GFPE and GFCI protection at marinas, boatyards and docking facilities, splash pads, and much more.
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