NFPA 70 2017 National Electrical Code Looseleaf

**NFPA 70**, known as the **National Electrical Code (NEC)**, is a standard for the safe installation of electrical wiring and equipment in the United States. Published by the National Fire Protection Association (NFPA), the 2017 edition (NFPA 70 2017) was released in 2016 and became effective on August 24, 2016. It addresses the advancement of privately owned wind and solar power generation and distribution equipment, including coverage of higher voltage systems that were once only the utilities' domain. citeturn0search3 The NEC is updated every three years to reflect new technologies and practices in electrical installations.