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不合格電線電纜(lan)的危害(hai)

電(dian)(dian)線電(dian)(dian)纜是用于傳輸(shu)電(dian)(dian)力、傳輸(shu)信息和實現電(dian)(dian)磁(ci)能量轉換的一大類電(dian)(dian)工產品。在(zai)抽查過程中(zhong)，發現了大量的不合格產品，這些劣質產品給電(dian)(dian)力系統正常運行埋下諸多隱患。

1、標志不(bu)合格的電(dian)線(xian)電(dian)纜。標志是電(dian)線(xian)電(dian)纜使用識別(bie)產品基(ji)本信息的主(zhu)要途徑，根據標準(zhun)(zhun)規定標志的主(zhu)要內容是：產品型(xing)號、規格、標準(zhun)(zhun)號、廠名、產地等在一定的標示(shi)間距內，當標志不(bu)合格時(shi)，會(hui)造成施工人員識別(bie)錯誤，嚴重(zhong)時(shi)會(hui)引發電(dian)氣事故。

2、結(jie)構(gou)尺(chi)寸不合格(ge)的(de)(de)電線(xian)(xian)電纜(lan)(lan)。結(jie)構(gou)尺(chi)寸的(de)(de)主要問題是護(hu)(hu)套(tao)厚(hou)(hou)度，絕緣(yuan)厚(hou)(hou)度，當電纜(lan)(lan)的(de)(de)護(hu)(hu)套(tao)和絕緣(yuan)厚(hou)(hou)度不達(da)標(biao)時(shi)，致(zhi)使電線(xian)(xian)電纜(lan)(lan)耐電氣強度會嚴重降低，導致(zhi)電線(xian)(xian)電纜(lan)(lan)的(de)(de)使用壽命縮短，嚴重時(shi)可(ke)導致(zhi)電線(xian)(xian)電纜(lan)(lan)被擊穿，絕緣(yuan)（護(hu)(hu)套(tao)）層起不到正常(chang)保護(hu)(hu)作用，從而發生電氣短路和火災等現(xian)象。

3、護(hu)套(tao)(tao)式絕緣老化前(qian)的(de)抗張強(qiang)度、伸長(chang)(chang)率合(he)(he)格(ge)(ge)的(de)電(dian)(dian)線電(dian)(dian)纜。絕緣護(hu)套(tao)(tao)老化前(qian)的(de)抗張強(qiang)度、伸長(chang)(chang)率不合(he)(he)格(ge)(ge)直(zhi)接大大縮短電(dian)(dian)線電(dian)(dian)纜的(de)工作用壽命，而(er)且在施工或在長(chang)(chang)時間通(tong)電(dian)(dian)且溫度較高的(de)環境中，極易出現絕緣體斷裂，致使帶電(dian)(dian)導體裸露，發生(sheng)能觸電(dian)(dian)式短路危險。其不合(he)(he)格(ge)(ge)的(de)主要(yao)原因是(shi)(shi)使用了再生(sheng)料生(sheng)產，以降低產品(pin)成(cheng)本，二是(shi)(shi)不具(ju)備生(sheng)產資格(ge)(ge)小型企業。

4、導體(ti)(ti)(ti)電(dian)(dian)阻(zu)不(bu)合格的(de)(de)(de)電(dian)(dian)線(xian)(xian)。導體(ti)(ti)(ti)電(dian)(dian)阻(zu)主要是(shi)考核電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)(de)(de)導體(ti)(ti)(ti)材料以及(ji)截(jie)面(mian)是(shi)否(fou)符合的(de)(de)(de)重要指標(biao)(biao)。當(dang)導體(ti)(ti)(ti)電(dian)(dian)阻(zu)超標(biao)(biao)時，就增大(da)了(le)電(dian)(dian)流在(zai)線(xian)(xian)路上通過時的(de)(de)(de)損耗，加劇了(le)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)(de)(de)發熱。導體(ti)(ti)(ti)電(dian)(dian)阻(zu)不(bu)合格的(de)(de)(de)原因，主要進企業為了(le)降低(di)成(cheng)本(ben)，將占原材料成(cheng)本(ben)80%的(de)(de)(de)銅(tong)材縮(suo)水，要么(me)降低(di)導體(ti)(ti)(ti)的(de)(de)(de)截(jie)面(mian)積，要么(me)使用含(han)雜(za)質過高的(de)(de)(de)再生銅(tong)，這樣致使電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)(de)(de)導體(ti)(ti)(ti)電(dian)(dian)阻(zu)嚴重超標(biao)(biao)，在(zai)使用過程中(zhong)除易(yi)引發火災，還會加速包覆在(zai)電(dian)(dian)線(xian)(xian)外(wai)的(de)(de)(de)絕緣層的(de)(de)(de)老化(hua)。

在購買電線電纜(lan)的過程(cheng)中，消費者應注意以(yi)下幾(ji)個事

第一、要觀察電線的外觀。合格(ge)產品的絕緣（護套）層(ceng)柔軟、有韌性和伸縮(suo)性、表面層(ceng)緊密、光滑(hua)、無(wu)粗糙感。如(ru)果(guo)包裹電線的塑料(liao)很(hen)容易被剝去，則存在塑料(liao)強度不夠的問題。

第二(er)、要看(kan)電線的(de)截面。合格產品的(de)銅(tong)芯或鋁芯表面應該具有(you)金屬光澤，表面發黑(hei)的(de)銅(tong)或表面發白的(de)鋁說明已被氧化。

第三、在購買電線(xian)時(shi)應注(zhu)意查(cha)看質(zhi)(zhi)(zhi)量合格(ge)證書。如果電線(xian)的(de)質(zhi)(zhi)(zhi)量合格(ge)，那么(me)其電線(xian)質(zhi)(zhi)(zhi)量應該也受過(guo)檢(jian)驗，不(bu)會有太大(da)的(de)問題。

沈陽凱(kai)鵬(peng)電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)制造有(you)限(xian)公司隸屬(shu)凱(kai)鵬(peng)集團下屬(shu)子公司，專(zhuan)門從事電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)研發(fa)、生產制造，是全(quan)國(guo)頗具實力的沈陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠家，主(zhu)營產品：電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、控制電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、橡(xiang)套電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝(zhuang)備用電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)子計(ji)算(suan)機(ji)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)等，以及電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)代加工。小編每(mei)天會在公司官網(wang)發(fa)布電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)價格(ge)表，及時更新銅價以及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠報(bao)價信息(xi)。更多(duo)有(you)關(guan)電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)信息(xi)可點擊公司官網(wang)szbowen.cn