Fully up-to-date with the 17th Edition IEE Wiring Regulations Covers all the principles & practice of testing & fault diagnosis in a way that is clear for students & non-electricians Expert advice from an engineering training consultant supported with colour diagrams examples & key data This book deals with an area of practice that many students & non-electricians find particularly challenging. It explains how to interpret circuit diagrams wiring systems & outlines the principles of testing before explaining how to apply this knowledge to fault finding in electrical circuits. br A handy pocket guide for anybody that needs to be able to trace faults in circuits whether in domestic commercial or industrial settings this book will be extremely useful to electricians plumbers heating engineers & intruder alarm installers.br