The NFPA 70 National Electrical Code 2020 Edition is a comprehensive textbook on electrical engineering, specifically focusing on the National Electrical Code. Published by the National Fire Protection Association, this paperback book covers a range of subjects related to electrical systems, including construction and general guidelines. With a technical and advanced level of content, this textbook is suitable for high school, adult education, and vocational training. The book is written in English and serves as a valuable resource for those studying and working in the field of electrical engineering.