IEC 60073 functions as a universal "grammar" for industrial safety, establishing standardized color, tactile, and acoustic coding to prevent accidents caused by inconsistent signalling. The standard, which mandates specific colors like red for danger and green for safe conditions, applies to both physical buttons and modern screen interfaces. For the full technical details, you can find the IEC 60073 PDF on iTeh Standards or purchase the official version from the IEC Webstore INTERNATIONAL STANDARD IEC 60073
🔵 : Mandatory. Indicates a state that requires a specific action by the operator (e.g., "reset required"). iec 60073 pdf