GB/T 4026-2025 in English

This standard provides fundamental guidelines for the identification of device terminals, conductors, and conductor ends in human-machine interface markings. It establishes safety rules to ensure clear and consistent labeling practices. The document outlines requirements for the design, application, and interpretation of markings to enhance user understanding and operational safety. It covers specifications for symbols, text, and color usage in marking systems. The standard also addresses the conditions under which markings should be applied, including environmental factors and visibility considerations. Additionally, it includes recommendations for the maintenance and updating of markings to ensure long-term reliability and clarity. The content is structured to support both design and implementation processes in relevant industries.