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不合(he)格(ge)電線電纜的危害

電(dian)線電(dian)纜是用(yong)于傳輸電(dian)力、傳輸信息和實(shi)現電(dian)磁能量(liang)轉換的一大(da)類電(dian)工產(chan)(chan)品(pin)(pin)。在抽(chou)查過程中，發現了大(da)量(liang)的不合格產(chan)(chan)品(pin)(pin)，這(zhe)些(xie)劣質產(chan)(chan)品(pin)(pin)給電(dian)力系統正常運行(xing)埋下諸多隱患。

1、標(biao)(biao)志不合(he)格(ge)的電(dian)線(xian)電(dian)纜。標(biao)(biao)志是(shi)電(dian)線(xian)電(dian)纜使用識(shi)別(bie)產(chan)品基本信(xin)息的主要(yao)途徑(jing)，根據標(biao)(biao)準規(gui)定(ding)標(biao)(biao)志的主要(yao)內(nei)容是(shi)：產(chan)品型(xing)號(hao)、規(gui)格(ge)、標(biao)(biao)準號(hao)、廠名、產(chan)地等在一定(ding)的標(biao)(biao)示(shi)間(jian)距(ju)內(nei)，當標(biao)(biao)志不合(he)格(ge)時(shi)，會造成(cheng)施工人員識(shi)別(bie)錯誤，嚴(yan)重時(shi)會引發電(dian)氣事故。

2、結構(gou)尺寸(cun)不(bu)合格(ge)的(de)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)。結構(gou)尺寸(cun)的(de)主(zhu)要問題是護(hu)套(tao)厚(hou)度(du)，絕(jue)緣(yuan)厚(hou)度(du)，當電(dian)(dian)纜(lan)的(de)護(hu)套(tao)和絕(jue)緣(yuan)厚(hou)度(du)不(bu)達標(biao)時，致使電(dian)(dian)線(xian)電(dian)(dian)纜(lan)耐電(dian)(dian)氣強度(du)會嚴重降低(di)，導致電(dian)(dian)線(xian)電(dian)(dian)纜(lan)的(de)使用壽命(ming)縮短(duan)，嚴重時可導致電(dian)(dian)線(xian)電(dian)(dian)纜(lan)被擊穿，絕(jue)緣(yuan)（護(hu)套(tao)）層起(qi)不(bu)到正常保護(hu)作用，從而(er)發生(sheng)電(dian)(dian)氣短(duan)路和火(huo)災(zai)等(deng)現象。

3、護套(tao)式絕(jue)緣(yuan)老化前的(de)抗張強度、伸(shen)長(chang)(chang)率合(he)格的(de)電(dian)線電(dian)纜。絕(jue)緣(yuan)護套(tao)老化前的(de)抗張強度、伸(shen)長(chang)(chang)率不(bu)(bu)合(he)格直(zhi)接大(da)(da)大(da)(da)縮短電(dian)線電(dian)纜的(de)工作用(yong)壽命，而且在施(shi)工或在長(chang)(chang)時間通(tong)電(dian)且溫度較高的(de)環(huan)境中(zhong)，極易出現(xian)絕(jue)緣(yuan)體斷裂，致使帶電(dian)導體裸露，發生(sheng)能(neng)觸電(dian)式短路(lu)危險。其不(bu)(bu)合(he)格的(de)主要原因是使用(yong)了再生(sheng)料生(sheng)產，以降低產品成(cheng)本，二是不(bu)(bu)具備生(sheng)產資格小型企(qi)業。

4、導(dao)體電(dian)(dian)(dian)(dian)阻(zu)不合格的(de)電(dian)(dian)(dian)(dian)線(xian)。導(dao)體電(dian)(dian)(dian)(dian)阻(zu)主要(yao)是考核(he)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)導(dao)體材(cai)(cai)料以及(ji)截(jie)面是否符合的(de)重要(yao)指(zhi)標。當導(dao)體電(dian)(dian)(dian)(dian)阻(zu)超(chao)標時，就(jiu)增大了(le)電(dian)(dian)(dian)(dian)流在線(xian)路上通(tong)過時的(de)損耗，加劇了(le)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)發熱。導(dao)體電(dian)(dian)(dian)(dian)阻(zu)不合格的(de)原因，主要(yao)進企業(ye)為了(le)降低成本，將(jiang)占原材(cai)(cai)料成本80%的(de)銅(tong)材(cai)(cai)縮水，要(yao)么降低導(dao)體的(de)截(jie)面積，要(yao)么使用含雜質過高的(de)再生銅(tong)，這樣致使電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)導(dao)體電(dian)(dian)(dian)(dian)阻(zu)嚴重超(chao)標，在使用過程(cheng)中除(chu)易引發火災，還會加速包覆在電(dian)(dian)(dian)(dian)線(xian)外的(de)絕(jue)緣層的(de)老化。

在購買電線(xian)電纜的過(guo)程中，消(xiao)費(fei)者應注意以下幾個事

第一、要觀(guan)察電線(xian)的外觀(guan)。合格產品的絕緣（護套）層柔軟、有韌性和伸縮性、表面層緊密、光滑、無粗糙(cao)感(gan)。如果包裹電線(xian)的塑料很容易被剝去，則存在塑料強(qiang)度不夠的問題。

第二、要看電線的(de)截面。合(he)格產(chan)品的(de)銅芯或(huo)鋁芯表(biao)面應該具(ju)有金屬光澤，表(biao)面發(fa)黑(hei)的(de)銅或(huo)表(biao)面發(fa)白(bai)的(de)鋁說明已被氧(yang)化。

第三、在購買電線(xian)時(shi)應注意查看質量(liang)合(he)格證書。如果電線(xian)的質量(liang)合(he)格，那(nei)么其電線(xian)質量(liang)應該也受(shou)過檢驗，不會有太大(da)的問題。

沈陽凱鵬電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)制(zhi)(zhi)造有限(xian)公(gong)司(si)隸屬(shu)凱鵬集團下屬(shu)子(zi)公(gong)司(si)，專門從事電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)研發(fa)、生產(chan)制(zhi)(zhi)造，是全國頗具實(shi)力的沈陽電(dian)(dian)纜(lan)(lan)廠家，主營產(chan)品：電(dian)(dian)力電(dian)(dian)纜(lan)(lan)、控制(zhi)(zhi)電(dian)(dian)纜(lan)(lan)、橡套電(dian)(dian)纜(lan)(lan)、電(dian)(dian)氣裝備用電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)、電(dian)(dian)子(zi)計算機電(dian)(dian)纜(lan)(lan)、BTTZ電(dian)(dian)纜(lan)(lan)、YTTW電(dian)(dian)纜(lan)(lan)等，以及(ji)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)代加工。小編每天會(hui)在公(gong)司(si)官(guan)網(wang)發(fa)布(bu)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)價格(ge)表，及(ji)時更(geng)新銅價以及(ji)電(dian)(dian)纜(lan)(lan)廠報價信(xin)(xin)息(xi)。更(geng)多有關電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)信(xin)(xin)息(xi)可點擊公(gong)司(si)官(guan)網(wang)szbowen.cn