Continuously in print since 1952, the twelfth edition of Modern Wiring Practice has now been fully revised to provide an up-to-date source of reference to electrical design and installation, meeting the requirements of the 2004 version of the IEE Wiring Regulations BS 7671:2001 (incorporating Amendments 1:2002 & 2:2004). This compact and practical guide addresses wiring systems design and electrical installation together in one volume, creating a comprehensive overview of the whole process for contractors and architects, as well as electricians and other installation engineers. Best practice is incorporated throughout, combining theory and practice with clear and accessible explanation, all within the framework of the Wiring Regulations. Modern Wiring Practice is one of the classic handbooks for the trade, designed for a wide range of professionals. Introducing the fundamentals of design and installation with a minimum of mathematics, this book is also an essential purchase for all students of electrical installation courses, such as the 2330 Certificate in Electrotechnical Technology, and NVQs from City & Guilds (including 2356 and 2391, 2381, and 2400 awards), as well as trainees in industry undertaking Apprenticeships and Advanced Apprenticeships. This title is brought fully in line with the latest IEE Wiring Regulations BS 7671:2001. It is well established and renowned text in the trade - continuously in print since 1952! Wiring systems design and electrical installation fully explained with a minimum of math's - ideal text for students and apprentices new to the field, and an essential reference for electrical installation engineers in industry.