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不(bu)合格電線(xian)電纜的危害

電(dian)線電(dian)纜是(shi)用于傳(chuan)輸電(dian)力、傳(chuan)輸信息和實(shi)現(xian)電(dian)磁(ci)能量轉(zhuan)換的一大類電(dian)工產品(pin)。在(zai)抽查過程中，發現(xian)了大量的不(bu)合(he)格產品(pin)，這些(xie)劣質產品(pin)給電(dian)力系統(tong)正常運行埋下諸(zhu)多隱患。

1、標(biao)志(zhi)不(bu)合(he)格的電(dian)(dian)線(xian)電(dian)(dian)纜(lan)。標(biao)志(zhi)是電(dian)(dian)線(xian)電(dian)(dian)纜(lan)使用識(shi)別產(chan)品(pin)基本信息的主要途(tu)徑(jing)，根(gen)據標(biao)準規定標(biao)志(zhi)的主要內容是：產(chan)品(pin)型號(hao)、規格、標(biao)準號(hao)、廠名、產(chan)地等在一(yi)定的標(biao)示間距內，當(dang)標(biao)志(zhi)不(bu)合(he)格時(shi)，會(hui)造成施工人員(yuan)識(shi)別錯誤(wu)，嚴重時(shi)會(hui)引發電(dian)(dian)氣事故。

2、結構尺寸不合格的電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)。結構尺寸的主要問題是護(hu)套(tao)厚(hou)度(du)，絕(jue)緣厚(hou)度(du)，當(dang)電(dian)(dian)(dian)纜(lan)的護(hu)套(tao)和絕(jue)緣厚(hou)度(du)不達標時(shi)，致使(shi)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)耐電(dian)(dian)(dian)氣強度(du)會嚴(yan)重降低，導致電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)的使(shi)用壽命縮(suo)短(duan)，嚴(yan)重時(shi)可導致電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)被擊(ji)穿，絕(jue)緣（護(hu)套(tao)）層起(qi)不到正(zheng)常保護(hu)作(zuo)用，從而(er)發生電(dian)(dian)(dian)氣短(duan)路和火災等現象。

3、護(hu)套式絕(jue)緣老化前的(de)(de)抗(kang)張(zhang)強度(du)、伸長(chang)率合(he)(he)格的(de)(de)電(dian)(dian)線電(dian)(dian)纜。絕(jue)緣護(hu)套老化前的(de)(de)抗(kang)張(zhang)強度(du)、伸長(chang)率不(bu)合(he)(he)格直接大大縮短電(dian)(dian)線電(dian)(dian)纜的(de)(de)工作用(yong)壽(shou)命，而且在(zai)施工或在(zai)長(chang)時間通電(dian)(dian)且溫度(du)較高的(de)(de)環境中，極易出現絕(jue)緣體斷(duan)裂，致使帶電(dian)(dian)導體裸露，發(fa)生(sheng)能觸(chu)電(dian)(dian)式短路危險。其不(bu)合(he)(he)格的(de)(de)主(zhu)要原因是(shi)(shi)使用(yong)了再生(sheng)料(liao)生(sheng)產(chan)，以(yi)降(jiang)低產(chan)品成(cheng)本，二(er)是(shi)(shi)不(bu)具備生(sheng)產(chan)資格小型企業。

4、導體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)不合(he)格(ge)的(de)電(dian)(dian)(dian)線(xian)(xian)。導體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)主要是考核電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜的(de)導體(ti)(ti)材(cai)料以及截面是否(fou)符(fu)合(he)的(de)重要指(zhi)標。當導體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)超標時，就增大了電(dian)(dian)(dian)流在(zai)線(xian)(xian)路(lu)上通過時的(de)損(sun)耗，加(jia)劇了電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜的(de)發熱。導體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)不合(he)格(ge)的(de)原因，主要進企業為了降低成本(ben)，將占原材(cai)料成本(ben)80%的(de)銅(tong)材(cai)縮(suo)水，要么(me)降低導體(ti)(ti)的(de)截面積，要么(me)使(shi)(shi)用(yong)含(han)雜(za)質過高的(de)再(zai)生(sheng)銅(tong)，這(zhe)樣致使(shi)(shi)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜的(de)導體(ti)(ti)電(dian)(dian)(dian)阻(zu)(zu)嚴重超標，在(zai)使(shi)(shi)用(yong)過程中(zhong)除易引發火災，還會加(jia)速包覆在(zai)電(dian)(dian)(dian)線(xian)(xian)外(wai)的(de)絕緣層的(de)老化。

在購買電(dian)線(xian)電(dian)纜(lan)的(de)過程中，消費(fei)者應(ying)注意(yi)以下幾個事

第一(yi)、要觀(guan)察(cha)電(dian)線的(de)外觀(guan)。合格產品的(de)絕(jue)緣（護套）層柔軟(ruan)、有韌性(xing)(xing)和伸縮性(xing)(xing)、表面(mian)層緊(jin)密、光滑(hua)、無粗(cu)糙感。如果包(bao)裹電(dian)線的(de)塑(su)料很容易被剝去，則(ze)存在塑(su)料強度不夠的(de)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)面應該具有金(jin)屬光澤，表(biao)面發黑的銅或表(biao)面發白的鋁說明已被氧化。

第三、在購買電線時(shi)應注(zhu)意查看質量(liang)合格(ge)證書。如果電線的質量(liang)合格(ge)，那么其(qi)電線質量(liang)應該也受過檢驗，不會(hui)有太大的問題。

沈陽凱鵬電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)制(zhi)造(zao)有(you)限公(gong)司隸屬(shu)凱鵬集團下屬(shu)子(zi)公(gong)司，專門從事電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)研發(fa)(fa)、生產制(zhi)造(zao)，是全國(guo)頗具(ju)實力(li)的沈陽電(dian)(dian)纜(lan)(lan)(lan)廠家(jia)，主營產品：電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)(lan)、控制(zhi)電(dian)(dian)纜(lan)(lan)(lan)、橡套(tao)電(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)氣裝備用電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)子(zi)計算機電(dian)(dian)纜(lan)(lan)(lan)、BTTZ電(dian)(dian)纜(lan)(lan)(lan)、YTTW電(dian)(dian)纜(lan)(lan)(lan)等，以(yi)及電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)代加工。小(xiao)編每天會在(zai)公(gong)司官網發(fa)(fa)布(bu)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)價格表，及時更新銅價以(yi)及電(dian)(dian)纜(lan)(lan)(lan)廠報價信息。更多有(you)關電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)(lan)信息可點(dian)擊(ji)公(gong)司官網szbowen.cn