The National Electrical Code® (NEC®) is the most widely recognized and accepted electrical standard in the world. Every three years the NEC is updated to reflect the newest installation practices utilized by the electrical industry. Significant Changes to the NEC – 2005 Edition is an invaluable resource to electricians, electrical contractors, electrical inspectors, and electrical engineers, focusing on the most important changes that occurred in the 2005 NEC®. The text is arranged to follow the general layout of the NEC®. To assist and enhance understanding of each revision, each change is accompanied by a helpful image or illustration. In addition, background information and a discussion on the significance of the change accompany each of the revisions. The comprehensive coverage offered in this book enables readers to gain a solid understanding and application of the requirements contained in the 2005 NEC®.