题目

英语翻译
Metal shields ofthe control cables shall be grounded at both ends of each cable.Each end of the cable shield shall be weldedto an insulated 600V,PVC,copper ground conductor with 6 sq.mm size and thisconductor shall then be attached to the ground bus by a terminal lug providedinside of the equipment cabinets,instrument transformer junction boxes,andthe switchboards.
Provision for sealing at each end of the cab le shall be providedincluding wrapping over the connection of the shield and the insulated groundconductor by the PVC insulating tape.

提问时间：2021-03-31

答案

控制电缆的金属屏蔽应该在每个电缆的两端接地.电缆的金属屏蔽应焊接到绝缘的6平方毫米的600V,PVC,铜质地面导体上.并且这个导体应与地面的总线通过一个在柜体装置,仪表变压器接线盒和开关柜内部的端子连接.
每根电缆端部的应提供密封,金属屏蔽与绝缘接地导体应使用PVC的绝缘胶带进行包裹.
供参考