IEC 60439-3 Ed. 1.2 b:2001
Low-voltage switchgear and controlgear assemblies – Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use – Distribution boards CONSOLIDATED EDITION CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 05/29/2001
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