A thoroughly practical guide to the inspection and testing of installations * The City & Guilds 2391 course book - written by the Chief Examiner * New material covers the 16th Edition Wiring Regulations Amendment No.3 The Chief Examiner, Brian Scaddan, writes this text specifically for the City & Guilds 2391 course. The 2391 course book is the next step for anyone with a 2380 qualification, advancing technical knowledge without the supervisory emphasis of the 2400. The text is supported by a sample test paper, complete with model answers and mark scheme. This book provides a handy reference guide for all who have to inspect and test electrical installations. The third edition includes appendices covering the major relevant changes brought in by Amendments No.2 (1998) and No.3 (2000), including the new rules covering bathroom electrics.