DIN EN IEC 60445:2023
人机界面、标记和识别的基本和安全原则 设备端子、导体终端和导体的识别 (IEC 60445:2021)
Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors (IEC 60445:2021); German version EN IEC 60445:2021