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Main page>UNE standards>UNE 21621-3:1995 - ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 3: GENERAL REQUIREMENTS FOR EQUIPMENT AND ANCILLARIES.
in stockReleased: 1995-10-09
UNE 21621-3:1995
ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST MINES AND QUARRIES). PART 3: GENERAL REQUIREMENTS FOR EQUIPMENT AND ANCILLARIES.
Instalaciones eléctricas para obras al exterior sometidas a condiciones severas (incluidas minas a cielo abierto y canteras). Parte 3: prescripciones generales relativas al material eléctrico.
