Electrician's Licensing Practice Exam 2026 - Free Electrician License Practice Questions and Study Guide

The primary focus of NEC Article 100 is definitions. This section serves as a foundational element of the National Electrical Code (NEC) by providing precise meanings for terminology used throughout the code. Clear definitions are essential because they help ensure consistency and clarity in the application and interpretation of the various articles and requirements outlined in the NEC. With a firm understanding of these definitions, electricians and other professionals can correctly implement the provisions of the code, enhancing overall compliance and safety within electrical installations. This foundational knowledge supports informed decision-making and effective communication within the electrical industry.