NEN EN 50522:2008被替代
Earthing Of Power Installations Exceeding 1 Kv A.c.
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN 50522:2008
发布时间：2008/11/1 0:00:00
标准类别：Draft
出版单位：Nederlands Normalisatie Instituut
标准页数：63
标准简介
Covers the requirements for the design and erection of earthing systems of electrical installations, in systems with nominal voltage above 1 kV a.c., so as to provide safety and proper functioning for the use intended.
替代本标准的新标准
