GB 7947-1997
Identification of conductors by colours or numerals (English Version)
- Standard No.
- GB 7947-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2007-03
- Replace By
- GB 7947-2006
- Latest
- GB/T 4026-2019
- Scope
- This standard specifies general rules for marking insulated conductors in cables, separated insulated conductors and bare conductors in electrical equipment and electrical installations by color or number to avoid confusion and ensure safe operation.
GB 7947-1997 history
- 2019 GB/T 4026-2019 Basic and safety principles for man-machine interface, marking and identification—Identification of equipment terminals, conductor terminations and conductors
- 2011 GB 7947-2010 Basic and safety principles for man-machine interface, marking and identification.Identification of conductors by colours or alphanumerics
- 2006 GB 7947-2006 Basic and safety principles for man-machine interface, marking and identification. Identification of conductors by colours or numerals
- 1997 GB 7947-1997 Identification of conductors by colours or numerals
