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桥架接地要求
电缆桥架接地要求及规范
金属电缆桥架接地线的截面选择及设置 choosing method of area of section for the grounding protection cond uctor of the metallic cable tray system，elaborates three forms of the grounding protection ＆ their installation demand．points out the priority form which should be a dopted in order to guarantee that the ground- ing protection is safe&reliab le．Keywords： the cable tray system， the grounding protection conduc
电缆桥架接地要求及规范
金属电缆桥架接地线的截面选择及设置 choosing method of area of section for the grounding protection cond uctor of the metallic cable tray system，elaborates three forms of the grounding protection ＆ their installation demand．points out the priority form which should be a dopted in order to guarantee that the ground- ing protection is safe&reliab le．Keywords： the cable tray system， the grounding protection conduc