Brian Scaddans guides to the IEE Wiring Regulations have established themselves as an industry standard. This new edition will be an essential reference for all contractors, technicians and other professionals working in a supervisory capacity, as well as newcomers to the industry, all of whom are involved in designing and testing electrical installations, and need to ensure their work complies with the latest version of the Wiring Regulations. This text provides an understanding of basic design criteria and calculations, along with current inspection and testing requirements in electrical installation, and is written specifically for the City & Guilds 2400 vocational award. The new edition is updated throughout to match the 2004 version of BS 7671:2001 (incorporating Amendments 1:2002 & 2:2004), and also features extended coverage of Special Locations (such as bathrooms, construction sites and computer/data type installations). There are common misconceptions in the application of the Wiring Regulations in these areas with regard to bonding, voltages, disconnection times and sizes of earthing conductors. Brian Scaddan clarifies the requirements, and outlines the correct procedures to follow (and those to avoid!). Brian Scaddan is the Chief Examiner for the City & Guilds 2391 vocational award. He has 30 years experience in Further Education, and is now Director of Brian Scaddan Associates, Engineering Training Consultants.