The most trusted guide to the National Electric Code--fully updated for 2020 rules and regulations

Completely revised to align with the 2020 NEC, McGraw-Hill's National Electrical Code (NEC) 2020 Handbook, 30th Edition, offers up-to-date explanations, advice, and analysis for every provision. In-depth coverage of the background and rationale for specific rules enhances 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 2020 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 you to work efficiently and safely and achieve full compliance.

• Completely updated to cover every code article in the 2020 NEC
• Provides concise explanations of complex rules
• Written by a senior member of the NEC Code Committee