International Electrotechnical Vocabulary. Part 151 : Electrical and magnetic devices

This document represents the first amendment to the International Electrotechnical Vocabulary, specifically focusing on Part 151 which deals with electric traction systems. As a supplement to the foundational text, this addition provides updated terminology, revised definitions, and clarifications essential for the field of electrical engineering related to rail and road transport. It ensures consistency in technical language used across international projects and regulatory frameworks concerning electric traction. The content includes refined descriptions of equipment, operational conditions, and safety measures that have evolved since the original publication. By integrating these changes, the document maintains alignment with current technological advancements and industry practices without altering the core structure of the parent standard. It serves as a vital reference for engineers, designers, and regulatory bodies involved in the planning, implementation, and maintenance of electric traction infrastructure worldwide.