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不合格電(dian)線(xian)電(dian)纜的危害(hai)

電線電纜是(shi)用于傳(chuan)(chuan)輸電力、傳(chuan)(chuan)輸信息(xi)和實(shi)現電磁(ci)能(neng)量轉換的(de)一大(da)類電工產品。在抽查(cha)過程中(zhong)，發現了大(da)量的(de)不合格產品，這些(xie)劣質產品給電力系(xi)統正常運(yun)行(xing)埋下諸多隱患。

1、標(biao)志不(bu)(bu)合格的電線(xian)電纜。標(biao)志是電線(xian)電纜使用識別產(chan)品基本(ben)信(xin)息(xi)的主(zhu)要途徑，根(gen)據標(biao)準(zhun)(zhun)規定標(biao)志的主(zhu)要內容是：產(chan)品型號(hao)、規格、標(biao)準(zhun)(zhun)號(hao)、廠名、產(chan)地等在(zai)一(yi)定的標(biao)示間距內，當標(biao)志不(bu)(bu)合格時，會造成施工人(ren)員識別錯(cuo)誤，嚴(yan)重時會引發(fa)電氣事故。

2、結構尺寸(cun)不合格的(de)(de)電(dian)(dian)線電(dian)(dian)纜。結構尺寸(cun)的(de)(de)主要(yao)問題(ti)是護(hu)套(tao)(tao)厚度(du)(du)(du)，絕緣厚度(du)(du)(du)，當(dang)電(dian)(dian)纜的(de)(de)護(hu)套(tao)(tao)和(he)絕緣厚度(du)(du)(du)不達標時(shi)，致使(shi)電(dian)(dian)線電(dian)(dian)纜耐電(dian)(dian)氣(qi)強度(du)(du)(du)會嚴重(zhong)(zhong)降低，導致電(dian)(dian)線電(dian)(dian)纜的(de)(de)使(shi)用壽命縮短，嚴重(zhong)(zhong)時(shi)可導致電(dian)(dian)線電(dian)(dian)纜被擊穿，絕緣（護(hu)套(tao)(tao)）層起不到(dao)正常保(bao)護(hu)作用，從(cong)而發生電(dian)(dian)氣(qi)短路(lu)和(he)火災等現象。

3、護套式(shi)絕緣老化前的(de)抗(kang)(kang)張強度(du)、伸長率(lv)合(he)格(ge)(ge)的(de)電(dian)(dian)線電(dian)(dian)纜。絕緣護套老化前的(de)抗(kang)(kang)張強度(du)、伸長率(lv)不(bu)合(he)格(ge)(ge)直接大大縮(suo)短電(dian)(dian)線電(dian)(dian)纜的(de)工作(zuo)用(yong)壽命，而且在(zai)施工或在(zai)長時間通電(dian)(dian)且溫度(du)較高的(de)環(huan)境中，極易出現絕緣體斷裂，致(zhi)使(shi)帶(dai)電(dian)(dian)導(dao)體裸露，發生能觸電(dian)(dian)式(shi)短路危險。其不(bu)合(he)格(ge)(ge)的(de)主要原因是(shi)使(shi)用(yong)了再生料(liao)生產，以降低產品(pin)成本(ben)，二是(shi)不(bu)具備(bei)生產資格(ge)(ge)小型企業。

4、導(dao)(dao)體(ti)電(dian)(dian)(dian)阻(zu)不合格的(de)(de)電(dian)(dian)(dian)線(xian)。導(dao)(dao)體(ti)電(dian)(dian)(dian)阻(zu)主要(yao)是(shi)考核電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)導(dao)(dao)體(ti)材料以及截(jie)(jie)面(mian)是(shi)否符合的(de)(de)重(zhong)要(yao)指標。當(dang)導(dao)(dao)體(ti)電(dian)(dian)(dian)阻(zu)超標時，就增大(da)了電(dian)(dian)(dian)流(liu)在(zai)線(xian)路(lu)上通過(guo)(guo)時的(de)(de)損耗，加劇了電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)發(fa)熱(re)。導(dao)(dao)體(ti)電(dian)(dian)(dian)阻(zu)不合格的(de)(de)原因，主要(yao)進企業(ye)為了降(jiang)(jiang)低成本，將占原材料成本80%的(de)(de)銅(tong)材縮(suo)水，要(yao)么降(jiang)(jiang)低導(dao)(dao)體(ti)的(de)(de)截(jie)(jie)面(mian)積(ji)，要(yao)么使(shi)用含雜質過(guo)(guo)高的(de)(de)再(zai)生銅(tong)，這樣致(zhi)使(shi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)導(dao)(dao)體(ti)電(dian)(dian)(dian)阻(zu)嚴重(zhong)超標，在(zai)使(shi)用過(guo)(guo)程中除易(yi)引(yin)發(fa)火災，還會加速(su)包(bao)覆在(zai)電(dian)(dian)(dian)線(xian)外的(de)(de)絕緣層的(de)(de)老化(hua)。

在(zai)購買電(dian)線(xian)電(dian)纜的過程中(zhong)，消(xiao)費者應(ying)注意以(yi)下幾(ji)個事(shi)

第一、要觀察電(dian)線(xian)的外觀。合格(ge)產品(pin)的絕緣(yuan)（護套）層(ceng)柔(rou)軟、有(you)韌性和伸縮性、表面層(ceng)緊密、光滑、無粗糙感。如果包裹電(dian)線(xian)的塑料很容易被(bei)剝去，則(ze)存在塑料強度不(bu)夠的問題。

第二(er)、要看電線的截面。合格產品的銅芯(xin)或(huo)鋁(lv)芯(xin)表(biao)面應(ying)該具有金(jin)屬(shu)光澤，表(biao)面發黑的銅或(huo)表(biao)面發白的鋁(lv)說明已被氧化。

第三、在購買電線時應注意查看(kan)質量(liang)(liang)合(he)格證書。如果電線的質量(liang)(liang)合(he)格，那(nei)么其(qi)電線質量(liang)(liang)應該也受過(guo)檢驗，不會有太大(da)的問題。

沈(shen)陽凱鵬(peng)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)制(zhi)造(zao)有(you)(you)限公(gong)司(si)隸(li)屬(shu)凱鵬(peng)集團(tuan)下(xia)屬(shu)子(zi)公(gong)司(si)，專(zhuan)門從(cong)事電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制(zhi)造(zao)，是全國(guo)頗具(ju)實力(li)的沈(shen)陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠家，主營產品(pin)：電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、控制(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、橡套電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝(zhuang)備用電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)子(zi)計(ji)算機電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)等，以及(ji)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代加工(gong)。小編每天會(hui)在公(gong)司(si)官網(wang)發(fa)布電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)價(jia)(jia)格表，及(ji)時更新銅價(jia)(jia)以及(ji)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠報價(jia)(jia)信息。更多(duo)有(you)(you)關電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)信息可點擊公(gong)司(si)官網(wang)szbowen.cn