IEC 60621-4:1981/AMD1:1987
Electrical installations for outdoor sites under heavy conditions (including opencast mines and quarries). Part 4 : Requirements for the installation
- Standard No.
- IEC 60621-4:1981/AMD1:1987
- Release Date
- 1987
- Published By
- International Electrotechnical Commission (IEC)
- Status
- Latest
- IEC 60621-4:1981/AMD1:1987
- Scope
- Gives a new Chapter IV: "Secondary processing machinery" which includes clauses 13 to 26.
IEC 60621-4:1981/AMD1:1987 history
- 1987 IEC 60621-4:1981/AMD1:1987 Electrical installations for outdoor sites under heavy conditions (including opencast mines and quarries). Part 4 : Requirements for the installation
- 1981 IEC 60621-4:1981 Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 4: Requirements for the installation (Edition 1.0)
