Improve your understanding of core NEC(R) principles and organization, pass exams based on the 2005 NEC rules, and chart a course for self-study with this NFPA Study Guide developed to accompany the User's Guide to the National Electrical Code text. Organized in units that correspond directly to chapters in the 2005 NEC(R) as well as units in the User's Guide, the Study Guide provides concrete objectives electrical students will meet by completing each unit. Also included are answers to assignments, test questions, and solutions.