This is a best-selling handbook offering the step-by-step procedures for solving a huge number of the electric problems to the electricians and technicians. The present edition of the handbook has been significantly updated and is now reflecting the latest technological and regulatory advances applicable to the transformers and motors, as well as the newest system designs and procedures for proper operation. The main body of the book has been provided with the best practical examples so the publication provides everyone with the basic concepts for proper selection of the transformer protection devices and also contains so much of truly valuable information about electric motors. All power engineers will find this book very useful, as well. Note that the authors of the book do assume that the readers have some basic knowledge of the topics covered in it. We can say that the information contained in the present book will remain relevant for many years and the book shall definitely be considered a great work reference. The organization of the material in the book is next to ideal and is very logical so it makes absolutely no problem to follow. The index is large and encompasses most of the topics covered in the publication.