AENOR - UNE 21621-4
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST) MINES AND QUARRIES). PART 4: REQUIREMENTS FOR THE INSTALLATION.
active, Most Current
| Organization: | AENOR |
| Publication Date: | 1 February 1995 |
| Status: | active |
| Page Count: | 28 |
| ICS Code (Electrical installations for outdoor use): | 29.260.10 |
| ICS Code (Mining and quarrying): | 73.020 |
Document History
UNE 21621-4
February 1, 1995
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST) MINES AND QUARRIES). PART 4: REQUIREMENTS FOR THE INSTALLATION.
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