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不合格(ge)電線電纜的危害(hai)

電(dian)線電(dian)纜是(shi)用于傳(chuan)輸電(dian)力、傳(chuan)輸信息和實(shi)現電(dian)磁能量轉(zhuan)換的(de)一大類電(dian)工產品。在抽查過程中，發現了大量的(de)不合格產品，這些劣質(zhi)產品給電(dian)力系統正(zheng)常(chang)運行埋(mai)下諸多隱患。

1、標志不合(he)格的電(dian)線(xian)電(dian)纜。標志是(shi)電(dian)線(xian)電(dian)纜使用識別產(chan)品基本信(xin)息的主要(yao)途徑，根據標準規(gui)定標志的主要(yao)內容是(shi)：產(chan)品型號(hao)、規(gui)格、標準號(hao)、廠名、產(chan)地等(deng)在一定的標示(shi)間距內，當標志不合(he)格時，會(hui)造(zao)成(cheng)施工人員識別錯誤(wu)，嚴重時會(hui)引發電(dian)氣事(shi)故。

2、結構尺寸不合格的(de)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)。結構尺寸的(de)主(zhu)要(yao)問題是(shi)護套(tao)厚(hou)度，絕(jue)緣厚(hou)度，當電(dian)(dian)(dian)纜(lan)(lan)的(de)護套(tao)和絕(jue)緣厚(hou)度不達(da)標(biao)時，致(zhi)使電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)耐電(dian)(dian)(dian)氣強(qiang)度會(hui)嚴重降(jiang)低，導(dao)致(zhi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)的(de)使用(yong)壽命縮短(duan)，嚴重時可導(dao)致(zhi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)被擊穿，絕(jue)緣（護套(tao)）層起不到正常(chang)保護作用(yong)，從(cong)而(er)發生電(dian)(dian)(dian)氣短(duan)路(lu)和火(huo)災(zai)等現象。

3、護套式絕(jue)緣老化(hua)(hua)前(qian)的(de)抗(kang)張(zhang)強度、伸長率合(he)格(ge)的(de)電(dian)(dian)線電(dian)(dian)纜。絕(jue)緣護套老化(hua)(hua)前(qian)的(de)抗(kang)張(zhang)強度、伸長率不(bu)合(he)格(ge)直(zhi)接大大縮短電(dian)(dian)線電(dian)(dian)纜的(de)工(gong)作用壽命，而且在施(shi)工(gong)或在長時(shi)間通電(dian)(dian)且溫度較高(gao)的(de)環境中，極易出現(xian)絕(jue)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(lu)危(wei)險。其不(bu)合(he)格(ge)的(de)主要原因是使用了再生(sheng)料生(sheng)產(chan)，以降低產(chan)品成本(ben)，二是不(bu)具(ju)備生(sheng)產(chan)資(zi)格(ge)小型企(qi)業。

4、導(dao)(dao)體電(dian)阻(zu)(zu)(zu)不合(he)格(ge)的(de)電(dian)線(xian)(xian)。導(dao)(dao)體電(dian)阻(zu)(zu)(zu)主要是(shi)考核電(dian)線(xian)(xian)電(dian)纜的(de)導(dao)(dao)體材(cai)料(liao)以及截面是(shi)否符(fu)合(he)的(de)重要指標。當導(dao)(dao)體電(dian)阻(zu)(zu)(zu)超(chao)標時(shi)，就增大(da)了電(dian)流在(zai)線(xian)(xian)路上通(tong)過時(shi)的(de)損耗，加劇了電(dian)線(xian)(xian)電(dian)纜的(de)發(fa)熱。導(dao)(dao)體電(dian)阻(zu)(zu)(zu)不合(he)格(ge)的(de)原(yuan)因，主要進(jin)企業為了降(jiang)低(di)成(cheng)本(ben)，將占(zhan)原(yuan)材(cai)料(liao)成(cheng)本(ben)80%的(de)銅材(cai)縮水，要么降(jiang)低(di)導(dao)(dao)體的(de)截面積，要么使用(yong)含(han)雜質(zhi)過高的(de)再生銅，這(zhe)樣致(zhi)使電(dian)線(xian)(xian)電(dian)纜的(de)導(dao)(dao)體電(dian)阻(zu)(zu)(zu)嚴重超(chao)標，在(zai)使用(yong)過程(cheng)中除易引(yin)發(fa)火(huo)災，還(huan)會加速包(bao)覆在(zai)電(dian)線(xian)(xian)外的(de)絕緣層的(de)老化(hua)。

在(zai)購買電線電纜的過程中(zhong)，消費者(zhe)應注意以下幾(ji)個事

第一、要觀(guan)(guan)察電線(xian)的(de)外觀(guan)(guan)。合格產品的(de)絕緣（護套(tao)）層柔軟、有韌性和(he)伸(shen)縮性、表面層緊密、光滑(hua)、無粗糙感。如果包裹電線(xian)的(de)塑料(liao)很容(rong)易被剝去，則(ze)存在塑料(liao)強度不夠的(de)問(wen)題(ti)。

第二、要看電線(xian)的(de)(de)截面(mian)。合格產品的(de)(de)銅芯或(huo)(huo)鋁芯表面(mian)應該(gai)具有金(jin)屬光澤(ze)，表面(mian)發黑(hei)的(de)(de)銅或(huo)(huo)表面(mian)發白的(de)(de)鋁說明已被氧(yang)化。

第三、在購買電線(xian)時應注意查看質(zhi)量(liang)合(he)格(ge)證書。如果電線(xian)的質(zhi)量(liang)合(he)格(ge)，那么其電線(xian)質(zhi)量(liang)應該也(ye)受過檢驗，不(bu)會有(you)太大(da)的問題。

沈陽(yang)(yang)凱(kai)鵬(peng)(peng)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)制(zhi)(zhi)造有限公(gong)司(si)隸屬凱(kai)鵬(peng)(peng)集團(tuan)下屬子公(gong)司(si)，專門(men)從事(shi)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產(chan)制(zhi)(zhi)造，是全國頗具實力(li)的沈陽(yang)(yang)電(dian)(dian)(dian)纜(lan)(lan)廠家，主營產(chan)品：電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)、控(kong)制(zhi)(zhi)電(dian)(dian)(dian)纜(lan)(lan)、橡套(tao)電(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)氣裝備用(yong)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)子計算機電(dian)(dian)(dian)纜(lan)(lan)、BTTZ電(dian)(dian)(dian)纜(lan)(lan)、YTTW電(dian)(dian)(dian)纜(lan)(lan)等，以(yi)及(ji)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)代加工(gong)。小編每天會在公(gong)司(si)官(guan)網發(fa)布(bu)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)價格(ge)表，及(ji)時更(geng)新銅價以(yi)及(ji)電(dian)(dian)(dian)纜(lan)(lan)廠報價信息。更(geng)多有關電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)信息可點擊公(gong)司(si)官(guan)網szbowen.cn