用电话线当接地线可以吗?

2025-02-15 16:43:09
推荐回答(5个)
回答1:

绝对不可以!
电话线就是电话的进户线,连接到电话机上,才能打电话。
在办理了宽带业务之后,接音频分离器,再接ADSL modern才能上网。
常见的电话线都是平行的两路电缆,材质大多为铜、铁、铝,少数的关键性线路会镀锡、镀银。
现在的电话多采用介入网式树形星形分布,总局向端局为光纤,到达端局分配主干电缆,主电缆出端局分流至各交接箱的配线,配线通过各接入盒的外线接入用户入户模块,通过入户模块下的线路到达用户。
线路拆机需要将端局以下、交接箱配线以上的所有线路拆除,这一部分在业内称为主干,
地线是用来将电流引入大地的导线;电气设备漏电时,电流通过地线进入大地
通常用来防止静电
一般的认为 :地线是作为电路电位基准点的等电位体。严格的说:这个定义是不符合实际情况的。实际地线上的电位并不是恒定的。如果用仪表测量一下地线上各点之间的电位,会发现地线上各点的电位可能相差很大。正是这些电位差才造成了电路工作的异常。电路是一个等电位体的定义仅是人们对地线电位的期望。HENRY 给地线了一个更加符合实际的定义,他将地线定义为:信号流回源的低阻抗路径。这个定义中突出了地线中电流的流动。按照这个定义,很容易理解地线中电位差的产生原因。因为地线的阻抗总不会是零,当一个电流通过有限阻抗时,就会产生电压降。因此,我们应该将地线上的电位想象成象大海中的波浪一样,此起彼伏。
电气和电子中的地线作用是不一样的,在电气技术中,地线的主要作用是起到安全保护作用,在无线电与电子技术中,地线的主要作用是防止干扰与提高无线电波的辐射效率。

回答2:

  电话线当接地线不可以,电话线不达部颁规定。按部颁规定,接地线必须是 25mm 2 以上裸铜软线制成。
家用电器设备由于绝缘性能不好或使用环境潮湿,会导致其外壳带有一定静电,严重时会发生触电事故。为了避免出现的事故可在电器的金属外壳上面连接一根电线,将电线的另一端接入大地,一旦电器发生漏电时接地线会把静电带入到大地释放掉。

回答3:

电话线是铁心的,工程施工和设计上是不能这么用的,如果是家庭内部的话可以用,总比没有好。注意加漏电保护。

回答4:

按规定是不可以的,要是室外电话线是铁的,会生锈,所以很不安全,事情是人做的,要是多股防锈,绝对是不会错的,接地线的面积不能太小

回答5:

完全可以

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