Electrical NEC Exam Preparation, 2011

About Mike Holt: Started in 1974, Mike Holt Enterprises is an industry leader in all aspects of electrical training. The company was established to serve the needs of the electrical community exclusively, with a standard that all products must be easy-to-understand, focused on the essentials, and include lots of detailed illustrations to help the materials come to life. His books are designed to make the electrical student not only learn the material, but enjoy the process. His DVD programs bring electrical experts from across the country into livings rooms and classrooms to discuss the various aspects of each subject. View author profile.