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UNE 21621-1:1995 UNE
Status: Current/2021-02-16
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 1: SCOPE AND DEFINITIONS.
UNE 21621-2:1996 UNE
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 2: GENERAL PROTECTION REQUIREMENTS.
UNE 21621-3:1995 UNE
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 3: GENERAL REQUIREMENTS FOR EQUIPMENT AND ANCILLARIES.
UNE 21621-4:1995 UNE
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST) MINES AND QUARRIES). PART 4: REQUIREMENTS FOR THE INSTALLATION.
UNE 21621-5:1996 UNE
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 5: OPERATING REQUIREMENTS.
