在高层建筑的供电系统中，动力和照明线路往往分开设置，母线槽作为供电主干线在电气竖井内沿墙垂直安装一趟或多趟。

　　In the power supply system of the high-rise building, the power and lighting lines are often set up separately, and the busbar slot is used as the mainline of the power supply in the vertical shaft to be installed vertically or more vertically in the shaft.

　　密集式母线槽(简称母线槽)是由金属板(钢板或铝板)为保护外壳、导电排、绝缘材料及有关附件组成的母线系统。它可制成每隔一段距离设有插接分线盒的插接型封闭母线，也可制成中间不带分线盒的馈电型封闭式母线。

　　Dense busbar (abbreviation) is a busbar system consisting of metal plates (steel plates or aluminum plates) to protect the shell, conductive, insulating material and related accessories. It can be made into a plug-in enclosed bus bar with a plug-in sub box every distance, and a feeder closed bus without intermediate box.

　　母线槽按绝缘方式可分为空气式插接母线槽、密集绝缘插接母线槽和高强度插接母线槽三种。

　　According to the way of insulation, busbar slot can be divided into three parts: air socket busbar slot, dense insulation socket busbar slot and high strength socket bus slot.

　　按其结构及用途分为密集绝缘、空气绝缘、空气附加绝缘、耐火、树脂绝缘和滑触式母线槽;按其外壳材料分为钢外壳、铝合金外壳和钢铝混合外壳母线槽。

　　According to its structure and use, it is divided into dense insulation, air insulation, air additional insulation, fire resistant, resin insulation and sliding busbar groove, and divided into steel shell, aluminum alloy shell and steel aluminum mixed case busbar trough according to its shell material.

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