Note: The requirements outlined in this article are based on the 2011 edition of the NEC. Article 690, which consists of nine parts, provides electrical requirements for photovoltaic (PV) systems.

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Article 690 covers solar installations, except large-scale ones (those are covered in Article 691) [Sec. 690.1], as shown in Fig. 1. There are three important definitions: “Photovoltaic (PV) system” ...

General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles. The fuel pump power control module may cause the ...

The final module - the containment water tank - has been installed at the first of two CAP1000 units under construction at ...