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Many new and revised requirements in the 2014 NEC impact residential, commercial, and industrial electrical installations. The 2014 NFPA 70: NEC covers the latest requirements on electrical wiring and equipment installation issues, including minimum provisions for the use of connections, voltage markings, conductors, and cables. Chapters address specific circumstances surrounding special occupancies and industrial equipment and machines. It also contains specific details on the safe installation and use of communications and signaling conductors. The 2014 edition of the NEC has been revised to include important changes such as: * Expanded AFCI and GFCI protection in homes * Continued emphasis on making installations safe for electrical workers * Coverage of new methods to distribute low voltage power * New approaches toward ensuring safety of photovoltaic (PV) electric systems * Changes to the long-standing voltage thresholds used in the Code * Plus hundreds of others that allow for the safe implementation of the latest in electrical system and equipment technology.