The 2023 edition of the National Electrical Code (NEC) is available in various formats to suit customer preferences, including print (spiralbound or softbound) and digital access through subscriptions to NFPA LiNK or NFCSS. The 2017 edition is also available in looseleaf format while supplies last. The updated NEC is the essential guide for electrical installations in residential, commercial, and industrial environments, with significant revisions made to keep pace with the evolving electrical landscape. This edition reorganizes the code for easier navigation and includes a thoroughly expanded Article 100, which consolidates all defined terms in one place for quick reference. It covers updated requirements for wiring, overcurrent protection, grounding, and equipment, ensuring that professionals stay current with the latest standards for safe and compliant electrical installations. As electrical systems become more complex and new technologies emerge, the 2023 NEC is revised to address modern hazards and industry practices, including guidance for Class 4 fault-managed circuits and systems operating over 1000 volts ac/1500 volts dc. With its comprehensive updates, the NEC 2023 edition is the go-to resource for electrical professionals seeking to stay compliant and informed.