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装修穿线管要注意什么？地埋pvc穿线管价格是多少？

装修穿线管要注意什么？地埋pvc穿线管价格是多少？

浏览：39次 | 提问时间： 07-24 09:52

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给我时间 07-24 09:52

装修穿线管要注意：电线在使用的过程中是会产生一定热量的。如果一根线管中穿入了太多根电线，会使线材缺少足够的散热空间，久而久之产生安全隐患。通常情况下，电线穿入线管后以不超过总空间容量的40%为好。40px的常规电线套管走2.5方的电线一般三根较好，线太多了会影响电线在大功率状态下的散热。导线在正常工作状态下允许的温升在65摄氏度以内，不要过高，否则会影响电线的使用寿命，如果一根线管中穿线较多，就要把最高允许功率负载根据情况适当降低，以确保安全用电。穿线时还要注意，穿入线管的电线是不能有接头的。也就是要穿入一整根电线。如果发现施工方把有接头的电线穿入线管要及时纠正。否则电线虚连造成空开频繁掉闸，原因即不好查明也不容易修理。

事与愿违 07-24 10:01

地埋pvc穿线管价格是12.52元一米，电线埋墙必需穿线管，一般可选的PVC穿线管/PE穿线管：价格实惠，可弯曲，绝缘性能好。其实一般家庭选择PVC穿线管/PE穿线管就非常不错了，只是要选择结实的，简单方法就是用脚踩一下，不会被踩瘪的就是好的。最后提醒一下：无论使用哪种穿线管，电线在管内都不能有接头。

浮生未歇拟流年 07-24 10:09

pe电缆穿线管规格：φ50、φ65、φ80、φ100、φ125、φ150、φ175、φ200，1、PE塑料穿线管作为阻燃塑料线管，所以它有时作为穿线管用于家居中电线的布置，要求PE塑料穿线管连接牢固，无缝隙存在；2、在高出安装PE塑料穿线管时，应将PE塑料穿线管与墙顶固定；3、PE塑料穿线管入线时，应与线盒用锁扣连接。PE塑料穿线管作为穿线管使用时，其中穿线数量是一定的，不能任意穿线，即直径20mm的PVC管内可穿入4根电源线；4、直径16mm的PVC管内可穿入3根电源线。如果穿入过多的电源线会影响电源电路的正常工作，并且不利于电源线的维修。

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