The book is a guide for electrical engineers engaged in the design, operation and maintenance, consulting engineers, facility managers and safety professionals. The calculations of short-circuits, protective relaying and varied electrical system configurations in industrial power systems are addressed. The text covers protection systems that address differential relays, arc flash sensing relays, protective relaying coordination, current transformer operation and saturation and applications to major electrical equipment from the arc flash considerations. The book also explores current technologies and strategies for arc flash mitigation. Review questions and references follow each chapter.