This 2-hour interactive online course is the fifth in a series to cover the changes to the 2008 edition of the National Electrical Code® created by the NFPA®. This course series provides an accurate, reliable, and authoritative account of the hundreds of significant revisions in the 2008 Code. This course specifically looks at changes to Article 500 through Article 590, covering changes to the scope and definitions, including revisions to grounding conductors, generator accessories, panel board grounding and bonding, dimmers and luminaires.