* Full 2011 NEC text* Expert commentary with coverage of changes in the 2011 NEC's requirements, including new rules focused on workplace safety* First-time commentary for new articles addressing green technologies, alternate energy, high-voltage installations, and other emerging issues* 500+ full-color photos and illustrations such as schematics, floor plans, and cross-sectional graphics not in the Code* For the first time, vertical rules alert you to Code additions, and change dots signal deletions -- exactly like in the NEC.* Commentary is shaded in blue so it's easily distinguished from mandatory provisions.