The thoroughly practical guide to applying the wiring regulations * New material covers 16th Edition Wiring Regulations Amendment No.3 * A concise and popular text for the City & Guilds 2380 exam. The classic handy reference guide for everyone involved in electrical installation - which includes Electricians, sub-contractors, plumbers and gas and domestic equipment installers. Used alongside the regulations themselves, this book is the key to safe and efficient electrical installation. Problems are also provided, for use as ‘self-check’ excrcises or college assignments. The fifth 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 from Amendment No.3 are also summarised.