IEC 60621-4:1981
Withdrawn
Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 4: Requirements for the installation
Hardcopy , PDF
01-01-1981
12-31-2021
Comprises the following chapters: Chapter I: Winning, stacking and primary processing machinery: Chapter II: Transport conveyor systems: Chapter Ill: Pumping and water supply systems.
| DocumentType |
Standard
|
| Pages |
56
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Withdrawn
|
| Standards | Relationship |
| AS 3007.4-1987 | Identical |
| UNE 21621-4:1995 | Identical |
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