DL/T 503-2009
Classification and coding regulations for electric power engineering projects (English Version)
- Standard No.
- DL/T 503-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Electricity
- Status
- 2024-04
- Latest
- DL/T 503-2009
- Replace By
- DL/T 1108-2023
- Replace
- DL 503-1992
- Scope
- This standard specifies the classification and coding methods of power engineering projects and specifies the corresponding codes. This standard applies to the management of power engineering projects and the processing and exchange of information.
DL/T 503-2009 history
- 2009 DL/T 503-2009 Classification and coding regulations for electric power engineering projects
- 1993 DL 503-1992 Design codes for electrical power engineering
DL/T 503-2009 Classification and coding regulations for electric power engineering projects has been changed from DL 503-1992 Design codes for electrical power engineering.
DL/T 503-2009 Classification and coding regulations for electric power engineering projects was changed to DL/T 1108-2023 Power engineering project number and product document management regulations.
