a34.13.8 Must be used at the seams copper alloy tubular connectors, pressed or soldiers, in order to ensure continuity and minimize the heating circuit.[translate] a34.13.9 For welding cables, the minimum distance allowed between the seams should be three feet.[translate]...
aIn areas where overhead lines are present and cannot be de-energized, operators must follow the Minimum Approach Distance (MAD) of ten (10) feet from any line with a voltage of 50 kV or less. 在区域,顶上的线是存在,并且不可能丧气,操作员必须跟随极小的方法距离 (疯狂) 十 (10) 英尺从...