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不合格電線電纜的危害

電(dian)(dian)線電(dian)(dian)纜是用于傳輸(shu)電(dian)(dian)力、傳輸(shu)信(xin)息和(he)實現電(dian)(dian)磁能量轉換的(de)一(yi)大類電(dian)(dian)工產品。在抽查過程中，發(fa)現了大量的(de)不合格產品，這些劣質(zhi)產品給(gei)電(dian)(dian)力系統正常運(yun)行埋下(xia)諸多隱患。

1、標(biao)(biao)志(zhi)不合格的(de)(de)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜。標(biao)(biao)志(zhi)是電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜使用識別產品(pin)基本信息的(de)(de)主要(yao)途徑，根據(ju)標(biao)(biao)準規定標(biao)(biao)志(zhi)的(de)(de)主要(yao)內容是：產品(pin)型(xing)號、規格、標(biao)(biao)準號、廠名(ming)、產地等在(zai)一定的(de)(de)標(biao)(biao)示間距內，當(dang)標(biao)(biao)志(zhi)不合格時，會造(zao)成(cheng)施工人員識別錯誤，嚴(yan)重時會引發電(dian)(dian)(dian)氣(qi)事故。

2、結構(gou)尺(chi)(chi)寸不合格的(de)(de)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜。結構(gou)尺(chi)(chi)寸的(de)(de)主要問(wen)題(ti)是護(hu)套厚度(du)(du)，絕緣(yuan)厚度(du)(du)，當電(dian)(dian)(dian)(dian)(dian)纜的(de)(de)護(hu)套和絕緣(yuan)厚度(du)(du)不達標時(shi)，致使電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜耐電(dian)(dian)(dian)(dian)(dian)氣強度(du)(du)會嚴(yan)重降低，導致電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜的(de)(de)使用壽(shou)命縮短，嚴(yan)重時(shi)可導致電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜被擊穿，絕緣(yuan)（護(hu)套）層起不到正(zheng)常保護(hu)作(zuo)用，從而發生電(dian)(dian)(dian)(dian)(dian)氣短路和火災(zai)等現(xian)象(xiang)。

3、護套式絕緣(yuan)老化(hua)前的抗(kang)(kang)張(zhang)強(qiang)度、伸長率合格的電線(xian)電纜。絕緣(yuan)護套老化(hua)前的抗(kang)(kang)張(zhang)強(qiang)度、伸長率不(bu)(bu)合格直接大(da)大(da)縮短(duan)電線(xian)電纜的工作用(yong)壽(shou)命(ming)，而且在(zai)施(shi)工或在(zai)長時間通電且溫度較高(gao)的環境中，極易出現(xian)絕緣(yuan)體斷裂，致使帶電導體裸(luo)露，發(fa)生(sheng)能觸電式短(duan)路危(wei)險。其不(bu)(bu)合格的主要(yao)原因是使用(yong)了再生(sheng)料生(sheng)產(chan)(chan)，以降低產(chan)(chan)品成本，二是不(bu)(bu)具備生(sheng)產(chan)(chan)資格小型(xing)企業。

4、導(dao)體電(dian)(dian)(dian)(dian)阻(zu)(zu)不合格的(de)(de)電(dian)(dian)(dian)(dian)線(xian)。導(dao)體電(dian)(dian)(dian)(dian)阻(zu)(zu)主要是考(kao)核(he)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)導(dao)體材(cai)(cai)料以及截面(mian)是否符合的(de)(de)重(zhong)(zhong)要指標(biao)(biao)(biao)。當導(dao)體電(dian)(dian)(dian)(dian)阻(zu)(zu)超標(biao)(biao)(biao)時(shi)，就增大了電(dian)(dian)(dian)(dian)流在(zai)線(xian)路上(shang)通過(guo)時(shi)的(de)(de)損耗，加(jia)劇了電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)發(fa)熱。導(dao)體電(dian)(dian)(dian)(dian)阻(zu)(zu)不合格的(de)(de)原(yuan)因，主要進企業為了降低(di)成(cheng)本(ben)，將(jiang)占(zhan)原(yuan)材(cai)(cai)料成(cheng)本(ben)80%的(de)(de)銅材(cai)(cai)縮水，要么降低(di)導(dao)體的(de)(de)截面(mian)積，要么使用含雜質過(guo)高的(de)(de)再(zai)生銅，這樣致使電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)導(dao)體電(dian)(dian)(dian)(dian)阻(zu)(zu)嚴重(zhong)(zhong)超標(biao)(biao)(biao)，在(zai)使用過(guo)程中除易引發(fa)火災，還會加(jia)速包覆在(zai)電(dian)(dian)(dian)(dian)線(xian)外的(de)(de)絕緣層的(de)(de)老(lao)化。

在購買電(dian)線電(dian)纜的過程中，消費者(zhe)應(ying)注(zhu)意以下幾個事(shi)

第一、要觀察電線的(de)(de)外觀。合格產品(pin)的(de)(de)絕緣(yuan)（護套）層柔軟、有(you)韌性和伸縮(suo)性、表面(mian)層緊(jin)密、光滑、無粗糙(cao)感。如果包裹電線的(de)(de)塑料(liao)很容易(yi)被剝去，則(ze)存在(zai)塑料(liao)強度(du)不夠(gou)的(de)(de)問題(ti)。

第二、要看電線的(de)(de)截面(mian)。合格產品的(de)(de)銅芯或鋁芯表面(mian)應該具有金屬(shu)光澤，表面(mian)發黑的(de)(de)銅或表面(mian)發白的(de)(de)鋁說明已(yi)被氧化。

第三、在購買(mai)電(dian)線(xian)時(shi)應(ying)注意查看質量合格證(zheng)書。如果(guo)電(dian)線(xian)的質量合格，那么其(qi)電(dian)線(xian)質量應(ying)該也(ye)受過檢驗，不會有太大的問(wen)題(ti)。

沈陽(yang)凱(kai)鵬電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)制造有限公司隸屬(shu)(shu)凱(kai)鵬集(ji)團下屬(shu)(shu)子(zi)公司，專門從事電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制造，是(shi)全國頗具實力的沈陽(yang)電(dian)(dian)(dian)(dian)纜(lan)(lan)廠(chang)家，主營產品：電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)、控制電(dian)(dian)(dian)(dian)纜(lan)(lan)、橡套電(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)氣裝(zhuang)備用電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)子(zi)計算機電(dian)(dian)(dian)(dian)纜(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)纜(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)纜(lan)(lan)等(deng)，以及(ji)電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)代加(jia)工。小編每天會在公司官(guan)網(wang)發(fa)布電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)價格表，及(ji)時更(geng)(geng)新銅價以及(ji)電(dian)(dian)(dian)(dian)纜(lan)(lan)廠(chang)報(bao)價信息。更(geng)(geng)多(duo)有關電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)信息可點擊公司官(guan)網(wang)szbowen.cn