Article 705 covers the connection of electric power sources that operate in parallel with a primary source. Typically, the primary source is the electric utility, but it can be an on-site source instead. To understand the requirements of Art. 705, you must be familiar with key terms it uses (see Definitions sidebar below).
The Ins and Outs of Interconnected Electric Power Production Sources
You must plan carefully before connecting electric power sources to operate in parallel with a primary source.