The 2017 edition of the NEC is being revised to include important changes

 Tentative New Articles On:
 - Fixed Resistance and Electrode Industrial Process Heating Equipment- Article 425
- Large Scale Photovoltaic Electric supply Stations – Art 691
- Energy storage systems – Art 706
- Direct Current microgrids – Art. 712

 Tentative New Requirements in Existing Articles For:
 - Torque requirements for electrical connections - Art 110.14 (D)
- Fault current and OC clearing time on service equipment – Art . 110.16(B)
- Working space around equipment with limited access – Art. 110.26 (A) (4)
 - GFCI requirements in other than dwelling units -  Art. 210.8
- Receptacle requirements for meeting rooms – Art. 210.71
 - Arc energy reduction  fuses. – Art 240.67
 - Single phase feeder for dwellings at 120/208 reduced size-  Art 310.15 (B) (7)
 - Box connections to separable attachments -  Art 314.27 (E)
 - New tables for classification of Major and minor repair garages-  Art 511.3 (C) (D)
 - Photovoltaic powered sign -  Art 600.34 
 - Electrically powered pool lifts-  Art. 690.81