McGraw-Hill's National Electrical Code Handbook

"Completely updated to cover 2002 provisions, this reference is the most frequently consulted NEC guidebook in the world. This source of Code how-to's, interpretation, and advice gives you code analysis and application help; more hands-on, how-to-information than any other source; the most lavish available offering of task-simplifying photographs and drawings to make every procedure crystal clear; and detailed, useful coverage of difficult and controversial rules, from foremost electrical construction industry experts.