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不合格電線電纜的危害

電線電纜是用于傳輸電力、傳輸信息和實現電磁能量轉換的(de)一大類電工產(chan)品(pin)(pin)。在抽查過程中，發(fa)現了大量的(de)不合格產(chan)品(pin)(pin)，這些劣質產(chan)品(pin)(pin)給(gei)電力系統正常(chang)運行埋下諸多隱患。

1、標(biao)志(zhi)不合(he)(he)格的電線電纜。標(biao)志(zhi)是(shi)電線電纜使(shi)用識別產品基(ji)本信息(xi)的主(zhu)要途徑(jing)，根(gen)據標(biao)準規(gui)定(ding)標(biao)志(zhi)的主(zhu)要內(nei)容是(shi)：產品型(xing)號(hao)、規(gui)格、標(biao)準號(hao)、廠名、產地等(deng)在一(yi)定(ding)的標(biao)示間(jian)距內(nei)，當標(biao)志(zhi)不合(he)(he)格時(shi)，會造成施工人員識別錯誤(wu)，嚴重(zhong)時(shi)會引發電氣(qi)事故。

2、結(jie)構(gou)尺寸不(bu)合格的電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)。結(jie)構(gou)尺寸的主(zhu)要問題是護(hu)套厚度(du)，絕緣(yuan)厚度(du)，當電(dian)(dian)纜(lan)(lan)的護(hu)套和絕緣(yuan)厚度(du)不(bu)達標時(shi)，致(zhi)使(shi)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)耐電(dian)(dian)氣強度(du)會嚴重降低，導致(zhi)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)的使(shi)用壽命(ming)縮短(duan)，嚴重時(shi)可(ke)導致(zhi)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜(lan)(lan)被擊穿(chuan)，絕緣(yuan)（護(hu)套）層起不(bu)到正(zheng)常保護(hu)作用，從而發生電(dian)(dian)氣短(duan)路和火災等現象。

3、護套式絕(jue)緣老化(hua)前(qian)的抗張(zhang)強(qiang)(qiang)度、伸長(chang)率合(he)(he)格的電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)。絕(jue)緣護套老化(hua)前(qian)的抗張(zhang)強(qiang)(qiang)度、伸長(chang)率不(bu)合(he)(he)格直接大大縮短電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)的工作用壽命，而且在施工或(huo)在長(chang)時間(jian)通電(dian)(dian)且溫度較高的環境中(zhong)，極易出(chu)現絕(jue)緣體(ti)斷裂(lie)，致使帶電(dian)(dian)導體(ti)裸露，發生(sheng)能觸電(dian)(dian)式短路危險。其不(bu)合(he)(he)格的主要原因是使用了再生(sheng)料生(sheng)產(chan)，以降低產(chan)品(pin)成本，二是不(bu)具備生(sheng)產(chan)資格小型企(qi)業。

4、導(dao)(dao)(dao)體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)不合(he)(he)格的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)。導(dao)(dao)(dao)體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)主(zhu)要(yao)是(shi)考(kao)核電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)導(dao)(dao)(dao)體(ti)(ti)材料(liao)以及截面(mian)是(shi)否(fou)符合(he)(he)的(de)(de)(de)(de)(de)重要(yao)指標。當導(dao)(dao)(dao)體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)超標時，就增大了電(dian)(dian)(dian)(dian)流在線(xian)路上通(tong)過時的(de)(de)(de)(de)(de)損耗，加劇了電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)發(fa)熱。導(dao)(dao)(dao)體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)不合(he)(he)格的(de)(de)(de)(de)(de)原(yuan)因，主(zhu)要(yao)進企業為了降低成(cheng)本(ben)，將占原(yuan)材料(liao)成(cheng)本(ben)80%的(de)(de)(de)(de)(de)銅(tong)材縮水，要(yao)么降低導(dao)(dao)(dao)體(ti)(ti)的(de)(de)(de)(de)(de)截面(mian)積，要(yao)么使(shi)(shi)用含雜質過高的(de)(de)(de)(de)(de)再生銅(tong)，這樣致使(shi)(shi)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)導(dao)(dao)(dao)體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)嚴(yan)重超標，在使(shi)(shi)用過程中(zhong)除易引發(fa)火災(zai)，還會加速包覆在電(dian)(dian)(dian)(dian)線(xian)外的(de)(de)(de)(de)(de)絕緣層的(de)(de)(de)(de)(de)老化。

在購買電線電纜的(de)過程中，消費(fei)者應注意以下(xia)幾個事

第一、要觀察電(dian)(dian)線的外觀。合格產品的絕緣（護套）層柔軟、有韌性和伸縮性、表(biao)面層緊密、光滑、無粗糙感。如果包裹(guo)電(dian)(dian)線的塑料很容易被(bei)剝去，則存(cun)在塑料強度不夠的問(wen)題。

第二、要看電線的(de)(de)截面。合格產品的(de)(de)銅芯(xin)或鋁(lv)芯(xin)表(biao)(biao)面應(ying)該具(ju)有金屬光澤，表(biao)(biao)面發黑的(de)(de)銅或表(biao)(biao)面發白的(de)(de)鋁(lv)說明已被氧化(hua)。

第三、在購買(mai)電線(xian)時應注意查(cha)看(kan)質量合格證書。如果(guo)電線(xian)的質量合格，那么其電線(xian)質量應該也受過檢驗，不會有(you)太大的問題。

沈陽凱(kai)鵬電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)制(zhi)(zhi)造(zao)有限(xian)公(gong)司隸屬凱(kai)鵬集(ji)團下屬子(zi)公(gong)司，專(zhuan)門從事(shi)電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)研發、生產制(zhi)(zhi)造(zao)，是(shi)全國頗具實(shi)力的沈陽電(dian)(dian)(dian)(dian)(dian)纜(lan)廠(chang)(chang)家，主營(ying)產品：電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)、控制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)、橡(xiang)套電(dian)(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝備用(yong)電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)(dian)子(zi)計算(suan)機電(dian)(dian)(dian)(dian)(dian)纜(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)纜(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)纜(lan)等，以及電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)代加工。小編每天會在(zai)公(gong)司官網(wang)發布電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)價格表，及時(shi)更新銅(tong)價以及電(dian)(dian)(dian)(dian)(dian)纜(lan)廠(chang)(chang)報價信息(xi)。更多有關(guan)電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)信息(xi)可點擊公(gong)司官網(wang)szbowen.cn