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不合格電線(xian)電纜(lan)的危害

電線電纜是(shi)用(yong)于(yu)傳(chuan)輸電力(li)、傳(chuan)輸信息和(he)實現電磁能量轉換的(de)一大(da)類電工產(chan)品。在抽查過程中，發(fa)現了(le)大(da)量的(de)不合格產(chan)品，這(zhe)些劣質產(chan)品給電力(li)系統正常運行埋(mai)下諸多隱患。

1、標志(zhi)(zhi)不合格(ge)的電(dian)線電(dian)纜(lan)。標志(zhi)(zhi)是(shi)電(dian)線電(dian)纜(lan)使用(yong)識別產品(pin)基本信息的主要途(tu)徑，根據標準規定(ding)標志(zhi)(zhi)的主要內容是(shi)：產品(pin)型號、規格(ge)、標準號、廠名、產地(di)等在一定(ding)的標示間(jian)距內，當標志(zhi)(zhi)不合格(ge)時(shi)，會造成施工人員識別錯誤，嚴(yan)重時(shi)會引發電(dian)氣(qi)事故。

2、結構(gou)尺寸不(bu)(bu)合(he)格的電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)。結構(gou)尺寸的主要問題(ti)是(shi)護(hu)(hu)套厚度(du)，絕(jue)(jue)緣(yuan)(yuan)厚度(du)，當(dang)電(dian)(dian)(dian)纜(lan)(lan)的護(hu)(hu)套和(he)絕(jue)(jue)緣(yuan)(yuan)厚度(du)不(bu)(bu)達標(biao)時(shi)，致使電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)耐電(dian)(dian)(dian)氣強度(du)會嚴重(zhong)降(jiang)低，導致電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)的使用壽(shou)命縮短(duan)，嚴重(zhong)時(shi)可導致電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)被擊(ji)穿，絕(jue)(jue)緣(yuan)(yuan)（護(hu)(hu)套）層起不(bu)(bu)到正(zheng)常保護(hu)(hu)作用，從(cong)而發生電(dian)(dian)(dian)氣短(duan)路和(he)火災等現象(xiang)。

3、護套式(shi)絕緣老化前的(de)(de)抗張強度、伸(shen)長率(lv)合格的(de)(de)電(dian)(dian)線(xian)電(dian)(dian)纜。絕緣護套老化前的(de)(de)抗張強度、伸(shen)長率(lv)不合格直(zhi)接大大縮(suo)短電(dian)(dian)線(xian)電(dian)(dian)纜的(de)(de)工作用壽命(ming)，而且(qie)在施工或在長時間通電(dian)(dian)且(qie)溫度較(jiao)高(gao)的(de)(de)環境中(zhong)，極易出現絕緣體斷(duan)裂，致使帶電(dian)(dian)導體裸露(lu)，發(fa)生能觸(chu)電(dian)(dian)式(shi)短路危險。其不合格的(de)(de)主(zhu)要原因是使用了再生料生產，以降低產品成本，二(er)是不具備生產資格小型企(qi)業。

4、導(dao)體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)不合(he)(he)格(ge)的(de)電(dian)(dian)(dian)線。導(dao)體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)主要(yao)是(shi)考核(he)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜的(de)導(dao)體(ti)(ti)材料(liao)以及(ji)截(jie)面(mian)是(shi)否符合(he)(he)的(de)重要(yao)指標。當導(dao)體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)超標時，就增大了電(dian)(dian)(dian)流在線路上(shang)通過(guo)(guo)時的(de)損耗(hao)，加劇了電(dian)(dian)(dian)線電(dian)(dian)(dian)纜的(de)發(fa)熱。導(dao)體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)不合(he)(he)格(ge)的(de)原因，主要(yao)進企業為了降低成本，將占原材料(liao)成本80%的(de)銅材縮水，要(yao)么降低導(dao)體(ti)(ti)的(de)截(jie)面(mian)積，要(yao)么使用含(han)雜質過(guo)(guo)高的(de)再生(sheng)銅，這樣致使電(dian)(dian)(dian)線電(dian)(dian)(dian)纜的(de)導(dao)體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)嚴重超標，在使用過(guo)(guo)程(cheng)中除易引發(fa)火災，還會加速包覆在電(dian)(dian)(dian)線外的(de)絕緣層(ceng)的(de)老化。

在購(gou)買(mai)電(dian)(dian)線電(dian)(dian)纜的過程中，消費者應注意(yi)以下幾(ji)個事(shi)

第一、要觀察(cha)電線的(de)外觀。合(he)格產品的(de)絕緣（護套）層柔軟(ruan)、有韌(ren)性和伸縮性、表面層緊密、光滑(hua)、無粗(cu)糙(cao)感。如果包裹電線的(de)塑料很容易被剝去(qu)，則存在塑料強度不夠的(de)問題(ti)。

第(di)二、要看電(dian)線的(de)(de)截(jie)面(mian)。合(he)格產(chan)品的(de)(de)銅(tong)芯(xin)或鋁芯(xin)表面(mian)應該具有金屬光澤，表面(mian)發黑的(de)(de)銅(tong)或表面(mian)發白的(de)(de)鋁說明已(yi)被氧化(hua)。

第三(san)、在購買電(dian)線(xian)(xian)時(shi)應注意(yi)查看質(zhi)量合(he)格證(zheng)書。如果電(dian)線(xian)(xian)的質(zhi)量合(he)格，那么其電(dian)線(xian)(xian)質(zhi)量應該也受過檢驗，不會(hui)有太大的問題。

沈(shen)陽(yang)(yang)凱鵬電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)制造有(you)限公(gong)司(si)隸屬凱鵬集團下屬子公(gong)司(si)，專門(men)從事電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)研發(fa)、生產(chan)制造，是全國頗具(ju)實(shi)力(li)的沈(shen)陽(yang)(yang)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠家，主營(ying)產(chan)品：電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、控制電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、橡套(tao)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)氣裝備(bei)用電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)子計算機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)等，以及(ji)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)代加工。小編每天(tian)會在公(gong)司(si)官(guan)網發(fa)布電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)價格表，及(ji)時(shi)更新(xin)銅價以及(ji)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠報價信息。更多有(you)關電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)信息可(ke)點(dian)擊公(gong)司(si)官(guan)網szbowen.cn