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不合格(ge)電線電纜的(de)危害

電(dian)線電(dian)纜(lan)是用于傳(chuan)(chuan)輸電(dian)力(li)、傳(chuan)(chuan)輸信息和實現電(dian)磁能量轉換的一大類電(dian)工產品(pin)。在抽查(cha)過程中(zhong)，發(fa)現了(le)大量的不合格(ge)產品(pin)，這些劣質產品(pin)給電(dian)力(li)系統正常(chang)運行埋下諸多隱患。

1、標(biao)志不(bu)合(he)(he)格的(de)(de)電線(xian)電纜(lan)。標(biao)志是電線(xian)電纜(lan)使(shi)用識別(bie)(bie)產(chan)品基(ji)本(ben)信(xin)息的(de)(de)主要途徑，根據標(biao)準(zhun)規定標(biao)志的(de)(de)主要內容(rong)是：產(chan)品型號(hao)、規格、標(biao)準(zhun)號(hao)、廠名(ming)、產(chan)地等在一定的(de)(de)標(biao)示間(jian)距內，當標(biao)志不(bu)合(he)(he)格時，會(hui)造成施工人員識別(bie)(bie)錯誤，嚴重時會(hui)引發電氣事故。

2、結(jie)構(gou)(gou)尺(chi)寸不合格的(de)電線電纜。結(jie)構(gou)(gou)尺(chi)寸的(de)主要(yao)問(wen)題是護(hu)套厚度(du)，絕緣(yuan)(yuan)厚度(du)，當電纜的(de)護(hu)套和絕緣(yuan)(yuan)厚度(du)不達標時，致(zhi)使電線電纜耐電氣(qi)(qi)強度(du)會嚴(yan)重(zhong)降低，導致(zhi)電線電纜的(de)使用(yong)壽命縮短(duan)，嚴(yan)重(zhong)時可導致(zhi)電線電纜被(bei)擊穿，絕緣(yuan)(yuan)（護(hu)套）層(ceng)起不到正常保護(hu)作用(yong)，從而(er)發(fa)生電氣(qi)(qi)短(duan)路和火災等現象。

3、護套(tao)式(shi)絕(jue)緣老化前的(de)抗張(zhang)強(qiang)度、伸長(chang)(chang)率合(he)格的(de)電(dian)線(xian)電(dian)纜。絕(jue)緣護套(tao)老化前的(de)抗張(zhang)強(qiang)度、伸長(chang)(chang)率不(bu)(bu)合(he)格直(zhi)接大大縮短電(dian)線(xian)電(dian)纜的(de)工作(zuo)用壽命，而且(qie)在施(shi)工或在長(chang)(chang)時間通電(dian)且(qie)溫度較高的(de)環境中，極易出現(xian)絕(jue)緣體斷裂，致使(shi)帶(dai)電(dian)導體裸露，發生(sheng)能觸電(dian)式(shi)短路(lu)危險。其不(bu)(bu)合(he)格的(de)主要(yao)原因(yin)是使(shi)用了再生(sheng)料生(sheng)產(chan)，以降低(di)產(chan)品成本，二是不(bu)(bu)具備生(sheng)產(chan)資(zi)格小型(xing)企業(ye)。

4、導體(ti)(ti)電(dian)(dian)阻(zu)(zu)不合格的(de)電(dian)(dian)線(xian)。導體(ti)(ti)電(dian)(dian)阻(zu)(zu)主要是考核電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)的(de)導體(ti)(ti)材料以及截(jie)面是否符合的(de)重要指標。當導體(ti)(ti)電(dian)(dian)阻(zu)(zu)超標時，就增(zeng)大了(le)電(dian)(dian)流在線(xian)路(lu)上通過(guo)時的(de)損(sun)耗，加劇了(le)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)的(de)發(fa)熱。導體(ti)(ti)電(dian)(dian)阻(zu)(zu)不合格的(de)原因，主要進企(qi)業為了(le)降低成本(ben)，將占原材料成本(ben)80%的(de)銅材縮水，要么降低導體(ti)(ti)的(de)截(jie)面積，要么使(shi)用含(han)雜質過(guo)高的(de)再(zai)生(sheng)銅，這樣(yang)致使(shi)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)(lan)的(de)導體(ti)(ti)電(dian)(dian)阻(zu)(zu)嚴重超標，在使(shi)用過(guo)程中除(chu)易引發(fa)火災，還會加速包覆在電(dian)(dian)線(xian)外的(de)絕緣層的(de)老化。

在(zai)購買電線(xian)電纜的過程(cheng)中，消(xiao)費者應(ying)注意以下幾個事

第(di)一、要觀察(cha)電線(xian)的外觀。合格(ge)產品的絕緣（護套）層柔軟、有韌(ren)性(xing)和伸縮性(xing)、表面層緊密、光滑、無粗糙感。如果包裹電線(xian)的塑(su)料很容易被剝去，則(ze)存(cun)在塑(su)料強度不(bu)夠的問題。

第二(er)、要(yao)看電(dian)線的(de)(de)截(jie)面。合(he)格產品的(de)(de)銅芯或鋁芯表(biao)(biao)面應該具(ju)有金屬光澤(ze)，表(biao)(biao)面發(fa)黑(hei)的(de)(de)銅或表(biao)(biao)面發(fa)白的(de)(de)鋁說明已(yi)被氧(yang)化。

第三、在購(gou)買電線時應(ying)注意查看質量(liang)合格證書。如果電線的質量(liang)合格，那么(me)其(qi)電線質量(liang)應(ying)該也受過檢驗，不(bu)會有太大的問題(ti)。

沈陽凱鵬電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)制造有限公(gong)司隸屬凱鵬集團下屬子公(gong)司，專門從事電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制造，是(shi)全(quan)國頗(po)具實力(li)的沈陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠家(jia)，主營產品：電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、控制電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、橡(xiang)套電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)氣裝備用電(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)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代加工。小編每天會在公(gong)司官(guan)網發(fa)布電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)價格表，及時更(geng)新銅價以及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠報價信息。更(geng)多(duo)有關電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)信息可點(dian)擊公(gong)司官(guan)網szbowen.cn