This specialized dictionary will help you to better understand the many technical terms that make up the language of the electrical trades. Written to serve as a ready reference, the dictionary has been updated with over 800 new terms and definitions. Also new to this edition are 190 new illustrations to aide you in understanding and applying the definitions. With new coverage of fiber optics, motor controls, building trades electricity, maintenance electricity, and more, The Illustrated Dictionary for Electrical Workers has become the most comprehensive electrical dictionary in the field.