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不合格(ge)電(dian)線(xian)電(dian)纜的危害(hai)

電線電纜是用于傳(chuan)輸電力(li)、傳(chuan)輸信息和實現(xian)電磁能量轉換的一大類電工產品。在抽查(cha)過程(cheng)中，發現(xian)了大量的不(bu)合(he)格產品，這些劣質產品給電力(li)系(xi)統正(zheng)常運(yun)行埋(mai)下(xia)諸多(duo)隱患。

1、標(biao)(biao)(biao)志(zhi)不合格(ge)的(de)電(dian)(dian)線電(dian)(dian)纜。標(biao)(biao)(biao)志(zhi)是電(dian)(dian)線電(dian)(dian)纜使用識別產品(pin)基本信息的(de)主要途徑，根據標(biao)(biao)(biao)準規定標(biao)(biao)(biao)志(zhi)的(de)主要內容是：產品(pin)型號、規格(ge)、標(biao)(biao)(biao)準號、廠名、產地等在一定的(de)標(biao)(biao)(biao)示間距(ju)內，當(dang)標(biao)(biao)(biao)志(zhi)不合格(ge)時(shi)(shi)，會造成施(shi)工人員識別錯誤，嚴重時(shi)(shi)會引發電(dian)(dian)氣事故。

2、結構尺寸(cun)不(bu)合格的(de)電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)。結構尺寸(cun)的(de)主要問題是護(hu)(hu)(hu)套厚度(du)(du)，絕(jue)緣(yuan)(yuan)(yuan)厚度(du)(du)，當電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)護(hu)(hu)(hu)套和(he)絕(jue)緣(yuan)(yuan)(yuan)厚度(du)(du)不(bu)達標時，致使電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)耐電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)強度(du)(du)會嚴(yan)重(zhong)降低，導(dao)致電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)使用壽(shou)命縮(suo)短(duan)，嚴(yan)重(zhong)時可導(dao)致電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)被擊穿，絕(jue)緣(yuan)(yuan)(yuan)（護(hu)(hu)(hu)套）層(ceng)起(qi)不(bu)到正常保護(hu)(hu)(hu)作用，從而發生電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)短(duan)路和(he)火(huo)災(zai)等現象。

3、護套式絕緣老化前(qian)(qian)的抗(kang)張強度、伸長率合(he)格(ge)的電(dian)(dian)線(xian)電(dian)(dian)纜。絕緣護套老化前(qian)(qian)的抗(kang)張強度、伸長率不(bu)合(he)格(ge)直接大大縮(suo)短(duan)電(dian)(dian)線(xian)電(dian)(dian)纜的工作用壽命，而且在施工或在長時間通電(dian)(dian)且溫度較高的環境中，極(ji)易出現絕緣體斷裂，致使帶電(dian)(dian)導體裸(luo)露，發生(sheng)能觸(chu)電(dian)(dian)式短(duan)路危險。其不(bu)合(he)格(ge)的主要原因是使用了再生(sheng)料生(sheng)產，以降低產品成本，二是不(bu)具備生(sheng)產資格(ge)小型企(qi)業。

4、導(dao)體電(dian)阻(zu)(zu)不合(he)格(ge)的(de)電(dian)線(xian)。導(dao)體電(dian)阻(zu)(zu)主(zhu)要(yao)(yao)是(shi)考(kao)核電(dian)線(xian)電(dian)纜的(de)導(dao)體材料以及截面(mian)是(shi)否(fou)符合(he)的(de)重(zhong)要(yao)(yao)指標(biao)(biao)(biao)。當導(dao)體電(dian)阻(zu)(zu)超標(biao)(biao)(biao)時(shi)，就增大了(le)(le)電(dian)流在(zai)(zai)線(xian)路上通過時(shi)的(de)損耗，加(jia)劇了(le)(le)電(dian)線(xian)電(dian)纜的(de)發熱。導(dao)體電(dian)阻(zu)(zu)不合(he)格(ge)的(de)原因，主(zhu)要(yao)(yao)進企業為了(le)(le)降低成(cheng)本，將占原材料成(cheng)本80%的(de)銅材縮水，要(yao)(yao)么降低導(dao)體的(de)截面(mian)積，要(yao)(yao)么使(shi)用含雜質過高的(de)再生銅，這樣致使(shi)電(dian)線(xian)電(dian)纜的(de)導(dao)體電(dian)阻(zu)(zu)嚴(yan)重(zhong)超標(biao)(biao)(biao)，在(zai)(zai)使(shi)用過程中除易引(yin)發火災(zai)，還會加(jia)速包覆在(zai)(zai)電(dian)線(xian)外的(de)絕緣層的(de)老化(hua)。

在購買電(dian)線電(dian)纜的過(guo)程中，消(xiao)費者應注意以(yi)下幾(ji)個事(shi)

第(di)一、要觀察電(dian)線的外觀。合(he)格產品的絕緣（護套）層柔軟、有韌性和伸縮性、表面層緊密、光(guang)滑、無粗糙感。如果包裹電(dian)線的塑料很容易被(bei)剝(bo)去，則存(cun)在塑料強度不夠的問題(ti)。

第二、要看電線的截面。合格(ge)產品的銅芯(xin)或鋁芯(xin)表(biao)面應(ying)該(gai)具有金屬光澤，表(biao)面發黑的銅或表(biao)面發白的鋁說明(ming)已被氧化。

第(di)三、在購(gou)買(mai)電(dian)線(xian)(xian)時應注意查看質(zhi)量合格(ge)證書。如(ru)果(guo)電(dian)線(xian)(xian)的質(zhi)量合格(ge)，那么其電(dian)線(xian)(xian)質(zhi)量應該也(ye)受過檢驗，不會(hui)有太大(da)的問題。

沈(shen)陽凱(kai)(kai)鵬電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)制造(zao)有(you)限(xian)公(gong)司隸屬凱(kai)(kai)鵬集(ji)團(tuan)下屬子公(gong)司，專門從事電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)研發、生產制造(zao)，是全國頗具實力(li)(li)的(de)沈(shen)陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)廠(chang)家，主營產品：電(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、控制電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、橡套電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝備用電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)子計算(suan)機電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)等，以(yi)及電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)代(dai)加工。小編每天會在(zai)公(gong)司官網(wang)(wang)發布電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)價(jia)格(ge)表，及時更(geng)新銅(tong)價(jia)以(yi)及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)廠(chang)報價(jia)信息(xi)。更(geng)多(duo)有(you)關電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)信息(xi)可點擊(ji)公(gong)司官網(wang)(wang)szbowen.cn