Fully up to date with the 17th Edition of IET Wiring Regulations. Simplifies the advice found in the Wiring Regulations explaining what they mean in actual working practice for design & testing. Expert advice from an engineering training consultant supported with colour diagrams examples & key data. This popular guide provides an understanding of basic design criteria & calculations along with current inspection & testing requirements & explains how to meet the requirements of the IEE IET Wiring Regulations. The book explains in clear language those parts of the regulations that most need simplifying. There are common misconceptions regarding bonding voltages disconnection times & sizes of earthing conductors. This book clarifies the requirements & outlines the correct procedures to follow. This title provides an affordable reference for all electrical contractors technicians & other workers involved in designing & testing electrical installations. With the coverage carefully matched to the syllabus of the City & Guilds Certificate in Design Erection & Verification of Electrical Installations (2396) & containing sample exam questions & answers it also makes an ideal revision guide. Brian Scaddan I Eng MIET is a consultant for & an Honorary Member of City & Guilds. He has over 35 years experience in Further Education & training. He is Director of Brian Scaddan Associates Ltd an approved City & Guilds & NICEIC training centre offering courses on all aspects of Electrical installation Contracting Including the City & Guilds 2396 series. He is also a leading author of books on Electrical Installation.