National Electrical Code (NEC) 2017
|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.
Hundreds of changes in the 2017 edition NEC® bring you up-to-code and ready to address new sources of electrical power.
The 2017 edition of the National Electrical Code (NEC) presents the latest comprehensive regulations for electrical wiring, overcurrent protection, grounding, and installation of equipment.
Available in SoftCover, SpiralBound and LooseLeaf Formats >> 2017 NEC
NFPA 70: NEC has been published since 1897, and a rigorous process of review keeps it up-to-date with new technologies.
In fact, more than 4,000 public inputs and 1,500 comments went into the 2017 NEC alone.
Hundreds of updates and five all-new articles pave the way to a safe and efficient electrical future.
Large-Scale Photovoltaic (PV) Electric Power Production Facility (New Article 691) covers systems that produce at least 5 megawatts (MW) of power, or enough to power 800+ U.S. homes.
Energy Storage Systems (New Article 706) governs ESS installation, disconnection, shutdown, and safety labeling.
Stand-Alone Systems (New Article 710) covers power production sources that are not connected to the grid, including PV and wind-powered systems.
Direct Current Microgrids (New Article 712) concerns independent energy distribution networks that allow the utilization of power from dc sources to direct-current loads. Microgrids are on the rise worldwide.
Fixed Resistance and Electrode Industrial Process Heating Equipment (New Article 425) presents needed regulations for industry