NEMA GR 1:2007被替代
Grounding Rod Electrodes And Grounding Rod Electrode Couplings
出版：National Electrical Manufacturers Association
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基本信息
标准编号： NEMA GR 1:2007
发布时间：2007/8/31 0:00:00
标准类别：Standard
出版单位：National Electrical Manufacturers Association
标准页数：0
标准简介
Applies to ground rod electrodes and ground rod electrode couplings that function in accordance with the National Electrical Code and/or the National Electrical Safety Code.
替代本标准的新标准
