John CadickJohn Cadick, P.E., is a registered professional engineer and the founder and president of the Cadick Corporation. He has specialized for more than three decades in electrical engineering, training, and management. Mr. Cadick is the author of i>Cables and Wiring (Delmar Cengage Learning). Mary Capelli-Schellpfeffer, M.D., M.P.A., is a board-certified physician in general preventive medicine and public health. She is also a consultant to both the NJATC (National Joint Apprenticeship and Training Committee of National Electrical Contractors Association and International Brotherhood of Electrical Workers) and IEEE (Institute of Electrical and Electronics Engineers) Standards Committees. Dennis K. Neitzel, C.P.E., is a certified plant engineer with more than 30 years of experience in the electrical field. He has served as a principal committee member for NFPA 70E standards since 1992 and is currently working on the revision of OSHA regulations. Al Winfield, of the Cadick Corporation, has more than three decades of electrical power experience, having conducted more than 4,500 Electrical Safe Work Practices Seminars. Read More Read Less