This book deals with safety requirements of the low voltage directive which is an integral part of CE marking of electrical and electronic equipment. It discusses the CE marking process in general and the low voltage directive in particular. It is an outcome of a long standing demand for book that addresses the problems that manufacturers encounter during their first safety assessment. It provides a step-by-step approach for equipment safety design and assessment for electrical, electronic, electro-mechanical products and machines. It describes the principles of safety and requirements as found in the international IEC and European harmonized standards. Its goal is to give equipment designers and manufacturers a better understanding of safety considerations and safety philosophy and to enable them to design a product compliant to the requirements of European and international safety standards.