National Electrical Code 2020 Handbook 30th Edition is the definitive guide to the National Electric Code, revised for 2020 rules and regulations. This trusted on-the-job reference contains plain-language explanations, advice and analysis for every provision of the 2020 National Electrical Code. Features thousands of detailed diagrams and photos as well as in-depth discussions regarding controversial wording and actual errors, together with possible approaches to discussions with inspectors regarding how to cope with these issues.
Updated to the 2020 National Electrical Code.
Hardcover.
