International Standards and Conformity Assessment for all electrical, electronic and related technologies
Safety of machinery - Electrotechnical aspects
|TC 44||WPUB|| |
Comprises the following chapters: Chapter I: Winning, stacking and primary processing machinery: Chapter II: Transport conveyor systems: Chapter Ill: Pumping and water supply systems.
IEC 60621-4:1981 ED1
Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 4: Requirements for the installation
Amended By - IEC 60621-4:1981/AMD1:1987 ED1