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不合格電(dian)線(xian)電(dian)纜的危害

電(dian)線電(dian)纜是用于傳輸電(dian)力、傳輸信息(xi)和實現(xian)(xian)電(dian)磁能量(liang)轉換的一大(da)類電(dian)工(gong)產品。在抽查過程中(zhong)，發現(xian)(xian)了大(da)量(liang)的不(bu)合格產品，這些劣質產品給電(dian)力系統正常運行(xing)埋下諸多(duo)隱患。

1、標(biao)志(zhi)不(bu)合格的(de)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(shi)用識別產(chan)(chan)品(pin)基(ji)本信息的(de)主要(yao)途徑，根據標(biao)準規(gui)定標(biao)志(zhi)的(de)主要(yao)內容(rong)是：產(chan)(chan)品(pin)型號(hao)(hao)、規(gui)格、標(biao)準號(hao)(hao)、廠名、產(chan)(chan)地等在一定的(de)標(biao)示間距內，當標(biao)志(zhi)不(bu)合格時，會造成(cheng)施工人員識別錯誤，嚴重時會引發電(dian)(dian)氣事故。

2、結(jie)構尺寸不合格的電(dian)線(xian)電(dian)纜。結(jie)構尺寸的主要問題是護(hu)套(tao)厚度(du)，絕緣(yuan)厚度(du)，當電(dian)纜的護(hu)套(tao)和絕緣(yuan)厚度(du)不達標時，致使電(dian)線(xian)電(dian)纜耐電(dian)氣強度(du)會嚴重降低，導(dao)致電(dian)線(xian)電(dian)纜的使用(yong)壽命(ming)縮短(duan)(duan)，嚴重時可導(dao)致電(dian)線(xian)電(dian)纜被擊(ji)穿，絕緣(yuan)（護(hu)套(tao)）層(ceng)起不到(dao)正常保護(hu)作用(yong)，從而發生電(dian)氣短(duan)(duan)路和火災等(deng)現象(xiang)。

3、護套式絕(jue)緣(yuan)老化(hua)前(qian)(qian)的抗(kang)張強(qiang)度、伸(shen)長率合(he)(he)格的電(dian)線(xian)(xian)電(dian)纜(lan)。絕(jue)緣(yuan)護套老化(hua)前(qian)(qian)的抗(kang)張強(qiang)度、伸(shen)長率不(bu)合(he)(he)格直接大大縮短電(dian)線(xian)(xian)電(dian)纜(lan)的工(gong)作用壽命，而且在(zai)(zai)施工(gong)或在(zai)(zai)長時間通電(dian)且溫度較高(gao)的環境中，極易出現絕(jue)緣(yuan)體(ti)斷裂(lie)，致(zhi)使帶電(dian)導體(ti)裸露，發生(sheng)能觸電(dian)式短路(lu)危險。其不(bu)合(he)(he)格的主(zhu)要原因是使用了再生(sheng)料生(sheng)產(chan)(chan)，以(yi)降低產(chan)(chan)品成本，二是不(bu)具備生(sheng)產(chan)(chan)資(zi)格小型企業。

4、導(dao)體(ti)(ti)電(dian)(dian)阻(zu)(zu)不合(he)格(ge)(ge)的電(dian)(dian)線(xian)。導(dao)體(ti)(ti)電(dian)(dian)阻(zu)(zu)主要(yao)是考(kao)核電(dian)(dian)線(xian)電(dian)(dian)纜的導(dao)體(ti)(ti)材料以及截(jie)面(mian)是否符合(he)的重要(yao)指標。當導(dao)體(ti)(ti)電(dian)(dian)阻(zu)(zu)超(chao)標時，就增大了(le)電(dian)(dian)流在(zai)線(xian)路上(shang)通過時的損耗，加劇了(le)電(dian)(dian)線(xian)電(dian)(dian)纜的發(fa)(fa)熱。導(dao)體(ti)(ti)電(dian)(dian)阻(zu)(zu)不合(he)格(ge)(ge)的原因，主要(yao)進企業為了(le)降低成本，將占原材料成本80%的銅(tong)材縮水，要(yao)么(me)降低導(dao)體(ti)(ti)的截(jie)面(mian)積，要(yao)么(me)使(shi)(shi)用含雜(za)質過高的再生(sheng)銅(tong)，這樣致(zhi)使(shi)(shi)電(dian)(dian)線(xian)電(dian)(dian)纜的導(dao)體(ti)(ti)電(dian)(dian)阻(zu)(zu)嚴(yan)重超(chao)標，在(zai)使(shi)(shi)用過程中除易引發(fa)(fa)火災，還會加速包覆在(zai)電(dian)(dian)線(xian)外(wai)的絕緣層的老化。

在購買電線電纜的過程(cheng)中，消(xiao)費者應注意以(yi)下幾(ji)個事

第一、要觀(guan)察(cha)電線的外觀(guan)。合格產品的絕(jue)緣（護套）層(ceng)柔(rou)軟、有(you)韌性和伸縮性、表面層(ceng)緊密(mi)、光(guang)滑、無粗糙感。如果包裹電線的塑料(liao)很容(rong)易被(bei)剝去(qu)，則存(cun)在(zai)塑料(liao)強度不夠(gou)的問題(ti)。

第二、要(yao)看電線的截面(mian)。合格產(chan)品的銅芯(xin)(xin)或(huo)鋁(lv)芯(xin)(xin)表(biao)面(mian)應該具有金屬(shu)光(guang)澤，表(biao)面(mian)發(fa)黑的銅或(huo)表(biao)面(mian)發(fa)白的鋁(lv)說明已(yi)被氧化。

第(di)三、在購(gou)買電線(xian)時應注意查(cha)看質(zhi)量(liang)(liang)合格證書。如(ru)果(guo)電線(xian)的質(zhi)量(liang)(liang)合格，那么其電線(xian)質(zhi)量(liang)(liang)應該也受過檢驗(yan)，不會有太(tai)大的問題。

沈陽凱鵬(peng)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)制(zhi)造(zao)有限公(gong)司(si)隸屬(shu)凱鵬(peng)集團(tuan)下屬(shu)子公(gong)司(si)，專門從(cong)事電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)研發(fa)、生產制(zhi)造(zao)，是全國頗具(ju)實力的(de)沈陽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠家，主營產品(pin)：電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、控制(zhi)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(ji)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(ji)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代加工。小編每天(tian)會在公(gong)司(si)官網發(fa)布電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)價格表，及(ji)時更新銅價以及(ji)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)廠報價信息。更多(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(ji)公(gong)司(si)官網szbowen.cn