基本信息
標準編號： CSA C22.3.7:2006
發(fā)布時間：2006/8/1 0:00:00
標準類別：Standard
出版單位：CSA Group
標準頁數(shù)：72
標準簡介
Applicable to the lines and equipment associated with underground electric supply and communication systems located entirely outside buildings and fenced supply stations.
