We’ll pick up where we left off with 300.6, Protection against Corrosion and Deterioration. The basic requirement is that equipment must be suitable for the environment in which it is installed.
There are numerous changes in Articles 690 and 705 that apply to photovoltaic (PV) power systems in the 2014 NEC.
I like to refer to this area of the code as the "nuts and bolts” of an electrical installation. Chapter 3 is entitled Wiring Methods and Materials, and it covers much of the mechanical portion of the code.
