Thomas L. Harman, Ph.D., has held Master Electrician's Licenses since 1973 in cities and states throughout the U.S. An electrical engineer, Dr. Harman has extensive practical experience in industrial, commercial, and residential electrical design and installation, including industrial design for hazardous locations. He has been a member of NEC's Panel Number 2 since 1978. Dr. Harman is often called as an expert witness in cases involving electrical accidents or faulty electrical designs.