The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprisingall national electrotechnical committees (IEC National Committees). The object of IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic field
This authoritative, best-selling guide has been extensively updatedwith the new technical requirements of the IET Wiring Regulations(BS 7671: 2008) Amendment No. 1:2011, also known as the IET WiringRegulations 17th Edition. With clear description, itprovides a practical interpretation of the amended regulations– effective January 2012 – offers real solutions to theproblems that can occur in practice. This revised edition features: new material on hot topics such as electromagneticcompatibility (EMC), harmonics, surge protective devices, and newspecial locations including medical locations, and operative ormaintenance gangways; highlights the changes that have been made in this latestAmen...
* Tired of trawling through the Wiring Regs? * Perplexed by Part P? * Confused by cables, conductors and circuits? Then look no further! This handy guide provides an on-the-job reference source for Electricians, Designers, Service Engineers, Inspectors, Builders, Students, DYI enthusiasts Topic-based chapters link areas of working practice – such as cables, installations, testing and inspection, special locations – with the specifics of the Regulations themselves. This allows quick and easy identification of the official requirements relating to the situation in front of you. The requirements of the regulations, and of related standards, are presented in an informal, easy-to-read style that strips away confusion. Packed with useful hints and tips, and highlighting the most important or mandatory requirements, this book is a concise reference on all aspects of the 17th edition IEE Wiring Regulations.
This highly illustrated and practical book surveys techniques available to protect LV equipment and systems from lightning strikes and other surges. After examining the physical origins and effects of these phenomena, it concentrates on the components and applications of protective measures and systems, placed in the context of current IEC and VDE standards. This unique book provides the reader with a thorough background in almost every aspect of lightning and its impact on electrical and electronic equipment. The contents range from basic discharge processes in air through transient electromagnetic field generation and interaction with overhead lines and underground cables, to lightning protection and testing techniques. This book is of value to anyone designing, installing or commissioning equipment, which needs to be secured against lightning strikes, as well as being a sound introduction to research students working in the field.
This Part of the GB 7251 lays down the definitions and states the service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and controlgear assemblies.