NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB 7947-2010
Basic and safety principles for man-machine interface,marking and identification - Identification of conductors by colours or alphanumerics 人机界面标志标识的基本和安全规则 导体颜色或字母数字标识
Issued Date:2011-01-14
Implemented Date:2011-12-01
Issued by:
The Standardization Administration of the People's Republic of China