Updated in line with the 18th Edition of the Wiring Regulations and written specifically for the EAL Diploma in Electrical Installation, this book has a chapter dedicated to each unit of the EAL syllabus, allowing you to master each topic before moving on to the next. This new edition also includes information on LED lighting and some updated diagrams. End of chapter revision questions help you to check your understanding and consolidate the key concepts learned in each chapter. This is the number one textbook for all EAL level 2 courses in electrical installation. It sets out the core facts and principles with solid explanation -- not just to pass the exam but to confidently work as an electrician with a proper understanding of the regs. Ideal for both independent and tutor-based study.