The book provides engineering students, as well as engineers and technicians interested in industrial power distribution and renewable energy systems with essential knowledge of the major technologies, their fundamental principles, characteristics, and how they work and how they are evaluate in order to properly select the optimum system or equipment. The book covers major disciplines: basic and fundamental knowledge in power systems, such as power engineering basic, motors and transformers, and in building and industrial power distribution, such as load characteristics and calculations, load and motor centers, building electrical systems and lighting, or motor protection and control.