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不(bu)合格電線電纜(lan)的(de)危害

電線(xian)電纜是用于傳(chuan)輸電力、傳(chuan)輸信息和實現電磁能量轉換的(de)一大類電工產(chan)品。在抽查過程中，發現了(le)大量的(de)不合格產(chan)品，這些劣質產(chan)品給(gei)電力系統正常運行埋下(xia)諸多隱(yin)患(huan)。

1、標志(zhi)(zhi)不(bu)合(he)格(ge)的(de)電(dian)線電(dian)纜(lan)。標志(zhi)(zhi)是(shi)電(dian)線電(dian)纜(lan)使用(yong)識(shi)別(bie)產(chan)品(pin)基本信息的(de)主(zhu)要途徑，根(gen)據標準(zhun)規定標志(zhi)(zhi)的(de)主(zhu)要內(nei)(nei)容是(shi)：產(chan)品(pin)型號(hao)、規格(ge)、標準(zhun)號(hao)、廠名、產(chan)地等在一定的(de)標示間距內(nei)(nei)，當(dang)標志(zhi)(zhi)不(bu)合(he)格(ge)時(shi)，會(hui)造成(cheng)施(shi)工人員(yuan)識(shi)別(bie)錯誤，嚴重時(shi)會(hui)引發電(dian)氣(qi)事故。

2、結構尺(chi)(chi)寸不合格(ge)的(de)電(dian)(dian)線(xian)電(dian)(dian)纜。結構尺(chi)(chi)寸的(de)主(zhu)要問題是(shi)護套(tao)厚(hou)(hou)度(du)，絕緣(yuan)厚(hou)(hou)度(du)，當電(dian)(dian)纜的(de)護套(tao)和絕緣(yuan)厚(hou)(hou)度(du)不達標時，致(zhi)(zhi)使電(dian)(dian)線(xian)電(dian)(dian)纜耐(nai)電(dian)(dian)氣強度(du)會嚴重降低(di)，導(dao)致(zhi)(zhi)電(dian)(dian)線(xian)電(dian)(dian)纜的(de)使用(yong)壽(shou)命縮(suo)短(duan)，嚴重時可導(dao)致(zhi)(zhi)電(dian)(dian)線(xian)電(dian)(dian)纜被擊(ji)穿，絕緣(yuan)（護套(tao)）層起不到正常(chang)保護作用(yong)，從而發生電(dian)(dian)氣短(duan)路和火災等現象。

3、護(hu)套式絕(jue)緣老(lao)化前(qian)的(de)(de)抗張強度(du)(du)(du)、伸(shen)長(chang)(chang)率合(he)格的(de)(de)電(dian)線(xian)電(dian)纜。絕(jue)緣護(hu)套老(lao)化前(qian)的(de)(de)抗張強度(du)(du)(du)、伸(shen)長(chang)(chang)率不合(he)格直接大(da)大(da)縮短(duan)電(dian)線(xian)電(dian)纜的(de)(de)工(gong)作用(yong)壽命，而且在(zai)施(shi)工(gong)或在(zai)長(chang)(chang)時間(jian)通(tong)電(dian)且溫度(du)(du)(du)較高(gao)的(de)(de)環(huan)境中(zhong)，極易出現(xian)絕(jue)緣體(ti)斷裂，致使帶電(dian)導體(ti)裸露(lu)，發生(sheng)(sheng)能(neng)觸(chu)電(dian)式短(duan)路危險。其(qi)不合(he)格的(de)(de)主要原因是使用(yong)了(le)再生(sheng)(sheng)料生(sheng)(sheng)產，以(yi)降低(di)產品(pin)成(cheng)本，二是不具備生(sheng)(sheng)產資(zi)格小型企業。

4、導(dao)體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻不(bu)合(he)格的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)。導(dao)體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻主要是考(kao)核電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜的(de)(de)導(dao)體(ti)材料以及截面是否符合(he)的(de)(de)重(zhong)要指(zhi)標。當導(dao)體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻超標時，就增大了(le)(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流在線(xian)(xian)路(lu)上通過時的(de)(de)損(sun)耗，加劇了(le)(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜的(de)(de)發(fa)(fa)熱。導(dao)體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻不(bu)合(he)格的(de)(de)原(yuan)因，主要進企業(ye)為了(le)(le)降低成本，將(jiang)占原(yuan)材料成本80%的(de)(de)銅材縮(suo)水，要么降低導(dao)體(ti)的(de)(de)截面積(ji)，要么使用(yong)含雜質過高的(de)(de)再生銅，這樣致使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜的(de)(de)導(dao)體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻嚴重(zhong)超標，在使用(yong)過程(cheng)中(zhong)除易(yi)引發(fa)(fa)火災(zai)，還會加速(su)包(bao)覆在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)外的(de)(de)絕緣層的(de)(de)老化。

在購買電線(xian)電纜的過程中，消費者(zhe)應(ying)注意以下幾個事

第一、要觀(guan)察電線的外觀(guan)。合格(ge)產品的絕緣（護套(tao)）層(ceng)柔軟(ruan)、有(you)韌性和伸(shen)縮性、表面層(ceng)緊密、光滑(hua)、無(wu)粗糙感(gan)。如果包裹電線的塑料很容易被剝去(qu)，則存(cun)在塑料強度不夠(gou)的問(wen)題(ti)。

第二、要(yao)看電(dian)線(xian)的(de)截面(mian)(mian)。合格產(chan)品(pin)的(de)銅芯或鋁芯表面(mian)(mian)應(ying)該(gai)具有金屬(shu)光澤，表面(mian)(mian)發(fa)黑的(de)銅或表面(mian)(mian)發(fa)白的(de)鋁說明已被氧(yang)化(hua)。

第三(san)、在購(gou)買(mai)電(dian)線時應注意查看質量合格證書。如(ru)果電(dian)線的質量合格，那么其電(dian)線質量應該也受過檢驗，不會有太大的問題。

沈陽凱(kai)鵬電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)制造有限公(gong)(gong)司(si)隸屬(shu)凱(kai)鵬集團下屬(shu)子(zi)公(gong)(gong)司(si)，專門從事電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制造，是全國(guo)頗(po)具實力的沈陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠家，主營產品：電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、控制電(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(bei)用電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)子(zi)計(ji)算(suan)機(ji)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)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代加(jia)工。小編每天(tian)會在公(gong)(gong)司(si)官網(wang)發(fa)布電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)價(jia)格(ge)表，及時更新銅價(jia)以及電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠報(bao)價(jia)信(xin)息(xi)。更多有關電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)信(xin)息(xi)可點擊(ji)公(gong)(gong)司(si)官網(wang)szbowen.cn