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不合格電線電纜(lan)的危害

電(dian)線電(dian)纜是用于傳輸(shu)電(dian)力、傳輸(shu)信息和實現電(dian)磁能量轉(zhuan)換(huan)的一大類電(dian)工產(chan)(chan)品(pin)。在抽查過程中(zhong)，發現了大量的不合格產(chan)(chan)品(pin)，這些劣(lie)質(zhi)產(chan)(chan)品(pin)給電(dian)力系統正常運行埋下諸(zhu)多(duo)隱患。

1、標(biao)志(zhi)(zhi)不(bu)合(he)格(ge)的(de)電線電纜。標(biao)志(zhi)(zhi)是(shi)電線電纜使用識(shi)別產(chan)(chan)品(pin)(pin)基本信(xin)息的(de)主要途徑，根據標(biao)準(zhun)規定標(biao)志(zhi)(zhi)的(de)主要內(nei)容是(shi)：產(chan)(chan)品(pin)(pin)型號(hao)(hao)、規格(ge)、標(biao)準(zhun)號(hao)(hao)、廠名(ming)、產(chan)(chan)地等在一定的(de)標(biao)示間距(ju)內(nei)，當標(biao)志(zhi)(zhi)不(bu)合(he)格(ge)時，會造成施工人員識(shi)別錯誤，嚴重時會引(yin)發電氣事故。

2、結構(gou)尺(chi)寸不(bu)合格的電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)。結構(gou)尺(chi)寸的主要問題(ti)是護套(tao)厚(hou)度(du)，絕緣厚(hou)度(du)，當電(dian)(dian)(dian)纜(lan)的護套(tao)和絕緣厚(hou)度(du)不(bu)達標時，致使電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)耐(nai)電(dian)(dian)(dian)氣強度(du)會嚴(yan)重(zhong)降(jiang)低，導致電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)的使用壽命縮短，嚴(yan)重(zhong)時可導致電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)被擊穿，絕緣（護套(tao)）層起(qi)不(bu)到正常(chang)保護作(zuo)用，從而發生電(dian)(dian)(dian)氣短路和火災等現象。

3、護套式(shi)絕緣(yuan)老化(hua)前的抗張強度(du)、伸長率合(he)格的電(dian)線電(dian)纜。絕緣(yuan)護套老化(hua)前的抗張強度(du)、伸長率不(bu)合(he)格直接大(da)大(da)縮短電(dian)線電(dian)纜的工(gong)作用(yong)壽命，而且(qie)在施工(gong)或(huo)在長時(shi)間(jian)通電(dian)且(qie)溫度(du)較高的環境中，極易出現絕緣(yuan)體斷裂，致(zhi)使(shi)帶電(dian)導體裸露，發生能觸電(dian)式(shi)短路(lu)危險。其不(bu)合(he)格的主(zhu)要原因是使(shi)用(yong)了再生料生產(chan)，以降(jiang)低產(chan)品成本，二(er)是不(bu)具備生產(chan)資(zi)格小型企業。

4、導體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)(zu)不合(he)(he)格(ge)的(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)。導體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)(zu)主(zhu)要(yao)是考核電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)導體(ti)(ti)材料以及截(jie)面(mian)是否符(fu)合(he)(he)的(de)(de)(de)重要(yao)指標(biao)。當(dang)導體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)(zu)超(chao)標(biao)時，就增大(da)了電(dian)(dian)(dian)(dian)流(liu)在線(xian)路上通(tong)過時的(de)(de)(de)損耗(hao)，加(jia)劇(ju)了電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)發熱(re)。導體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)(zu)不合(he)(he)格(ge)的(de)(de)(de)原(yuan)因，主(zhu)要(yao)進(jin)企業為(wei)了降(jiang)低成本，將占原(yuan)材料成本80%的(de)(de)(de)銅材縮水(shui)，要(yao)么降(jiang)低導體(ti)(ti)的(de)(de)(de)截(jie)面(mian)積，要(yao)么使(shi)用含(han)雜(za)質(zhi)過高的(de)(de)(de)再生(sheng)銅，這樣致使(shi)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)導體(ti)(ti)電(dian)(dian)(dian)(dian)阻(zu)(zu)嚴重超(chao)標(biao)，在使(shi)用過程中除易引(yin)發火災(zai)，還會(hui)加(jia)速(su)包覆在電(dian)(dian)(dian)(dian)線(xian)外的(de)(de)(de)絕(jue)緣(yuan)層的(de)(de)(de)老化。

在購買電(dian)線電(dian)纜的過(guo)程中，消費者應注意以下幾個事

第一、要觀察電(dian)線的(de)外觀。合格產(chan)品的(de)絕緣（護套）層柔軟(ruan)、有韌性和伸縮性、表面層緊(jin)密、光(guang)滑(hua)、無粗糙(cao)感。如果包裹電(dian)線的(de)塑料很容易被剝去(qu)，則存(cun)在塑料強度不夠的(de)問題(ti)。

第二、要看電線的截面。合格產(chan)品的銅芯或(huo)鋁(lv)芯表(biao)面應該具有金屬(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(hua)。

第三、在購(gou)買電(dian)線時應注(zhu)意(yi)查(cha)看質(zhi)量(liang)合格證(zheng)書。如果(guo)電(dian)線的質(zhi)量(liang)合格，那么其電(dian)線質(zhi)量(liang)應該也受過(guo)檢(jian)驗(yan)，不會有太大的問(wen)題。

沈陽(yang)凱鵬電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)制(zhi)造有限公司(si)(si)隸屬(shu)凱鵬集團下屬(shu)子(zi)公司(si)(si)，專門(men)從事電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制(zhi)造，是全國頗具實(shi)力(li)的沈陽(yang)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠(chang)家，主(zhu)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(xiang)套(tao)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝(zhuang)備(bei)用電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)子(zi)計算機電(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，以及電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代加工。小編每(mei)天(tian)會在公司(si)(si)官網(wang)發(fa)布電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)價(jia)格表(biao)，及時更(geng)新銅價(jia)以及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠(chang)報價(jia)信息。更(geng)多(duo)有關電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)信息可點擊(ji)公司(si)(si)官網(wang)szbowen.cn