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.

2020 National Electrical Code – NFPA 70


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Prepare for the electrical challenges of tomorrow, today.


Preorder your copy of the 2020 edition of NFPA 70®, National Electrical Code® (NEC®).



Proposed Updates:


  • Horticultural Lighting: Increasing safety at indoor facilities that demand intense electrical loads.
  • Conducting Load Calculations: Modernizing the tables currently in use for calculations to reflect improvements in energy efficiency.
  • Power Over Ethernet: Reducing the risk posed by delivering power with communications cables in “smart” buildings.
  • Marina and Boatyards: Updating ground-fault protection and leakage-current measurement device requirements.