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水平与竖井电缆敷设的辨别方法是什么？

水平与竖井电缆敷设的辨别方法是什么？

浏览：41次 | 提问时间： 07-03 04:15

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山是眉 07-03 04:15

水平与竖井电缆敷设的辨别方法：
一、查看截面。电缆最内为导电芯(为铜芯或铝芯)，依次往外为：绝缘层，半导电层，屏蔽层，填充层，钢恺保护层，橡胶保护层(阻水的)。
　　二、产看绝缘层厚度：
　　(1)低压(1kv以下)1~3mm厚，10kv电缆5~8mm，35kv电缆10mm左右；低压或弱电电缆一般就一层绝缘层和保护层。
　　(2)高压电缆去除外皮后有绝缘层，就是包裹在电缆芯外面、白色的像是塑料的主绝缘层，低压电缆没有这个主绝缘层，只是橡胶保护层。
希望对你有帮助

带我走 07-03 04:24

电缆敷设是指平行敷设施工相对简单点，竖井内电缆敷设是指在电井竖向敷设施工难度大些。
1、裸电线及裸导体制品(指仅有导体，而无绝缘层的产品。主要有裸单线、架空导线用裸绞线、软接线、型线等)
2、绕组线(指以绕组的形式在磁场中切割磁力线感应产生电流，或通以电流产生磁场所用的电线。主要有漆包线、绕包线、特种绕组线、无机绝缘绕组线等)
3、电力电缆(指在电力系统的主干线路中用以传输和分配大功率电能的电缆产品，主要有1-500KV及以上各种电压等级各种绝缘的电力电缆)
4、通信电缆和通信光缆(指传输电话、电报、电视、广播、传真、数据和其他信号信息的点啦。主要有市内通信电缆(光缆)、同轴电缆(光缆)、射频电缆等(光缆)等)
5、电气装备用电缆(指从电力系统的配电点把电能直接传送到各种用电设备、器具的电源连接线路用电线电缆，主要有各种工农业用装备中的电气安装线和控制信号用的电线电缆均属于这类产品)

忘了笑 07-03 04:32

电缆与热力管道、热力设备之间的净距：平等时应不小于1m;交叉时应不小于0.5m。如无法达到时，应采取隔热保护措施。电缆学宜平等敷设于热力管道的上部。电缆敷设完毕后，应及时清除杂物，盖好盖板，必要时，尚应将盖板缝隙密封，以免水、汽油、灰等侵入。

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