This popular guide focuses on common misconceptions in the application of the Wiring Regulations. It explains in clear language those parts of the Regs that most need simplifying outlining the correct procedures to follow & those to avoid. Emphasis has been placed on areas where confusion & misinterpretation is common such as earthing & bonding circuit design & protection & in particular the increased use of RCDs. It is an affordable reference for all electrical contractors & other workers involved in electrical installations. It will enable safe & efficient compliance & help answer queries quickly to ensure work complies with the latest version of the Wiring Regulations. With the coverage carefully matched to the syllabus of the City & Guilds Certificate in the Requirements for Electrical Installations (2382-10 2382-12 & 2382-20) & containing sample exam questions & answers it is also 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 C&G 2382 series. He is also a leading author on books on electrical installation.