The most trusted guide to the National Electrical Code®—fully updated for 2023 rules and regulations Completely revised to align with the 2023 NEC, McGraw Hill’s National Electrical Code® 2023 Handbook, 31st Edition offers concise explanations, advice, and analysis for all of the current provisions. In-depth coverage of the background and rationale for specific rules enhances your understanding of both meaning and application. This practical resource features over 1,000 figures, photos, and examples. Designed to be used as a companion guide to the 2023 NEC itself, this on-the-job reference is arranged in code order, so the explanation for any topic lines up exactly with the applicable section in the code. You will gain access to straightforward, ready-to-apply code clarification, enabling them to work efficiently and safely and achieve full compliance.  •  Completely updated to cover all significant changes in the 2023 NEC •  Contains plain language explanations of complex and controversial rules •  Written by a senior member of the NEC steering committee