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เนื้อหาย่อ : This book sets out to provide a basic grounding in the design of electrical services for buildings. It is intended for students of building services engineering in universities and polytechnics and will also be useful to graduates in mechanical and electrical engineering who are about to specialize in building services after obtaining a more broadly based first degree. In fact it was the latter, the young engineer in practice, whom I kept in mind as my prospective reader whilst I was writing the book. In spite of the increasing number of specialized first degree courses being set up, engineering is one discipline, and I believe it is the colleges providing a general course in mechanical or electrical engineering which will continue to produce our best engineers. These young men and women learn to apply their knowledge during their practical training and during their first jobs. They can learn more quickly and more easily if they have some guidance at this stage of their careers, but I have always found a lack of books which would bridge the gap between an undergraduate text and the unwritten experience of one's seniors. It was in the hope that I might meet this need that I wrote this book. I have assumed a level of knowledge appropriate to a recent engineering graduate. I have, for example, gone more deeply into theory in the chapter on TV systems than elsewhere because it is unlikely that the young graduate in mechanical or electrical power engineering will have studied telecommunicatio ns in his degree course. Undergraduates reading building services engineering will probably still be studying the more general and theoretical engineering subjects at the same time as they use this book. However, as the knowledge of theory which it assumes is not exceedingly great it should not present them with any difficulties. I have included a chapter to explain the form and function of the I.E.E. Regula- tions but have not attempted any commentary on them. I undertook this book precisely because I felt there was a need for something more than a gloss on the