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不合格電線電纜的危害

電(dian)線電(dian)纜是用于傳輸(shu)電(dian)力、傳輸(shu)信息和實現電(dian)磁能量(liang)轉換的(de)一(yi)大類電(dian)工產(chan)品(pin)。在抽查過程中(zhong)，發現了大量(liang)的(de)不合格產(chan)品(pin)，這(zhe)些劣質產(chan)品(pin)給電(dian)力系統正常運行埋下諸多(duo)隱患。

1、標(biao)(biao)(biao)志(zhi)不合格(ge)的電線電纜(lan)。標(biao)(biao)(biao)志(zhi)是電線電纜(lan)使用(yong)識別產品基本信息的主要(yao)途(tu)徑，根據標(biao)(biao)(biao)準(zhun)規(gui)定標(biao)(biao)(biao)志(zhi)的主要(yao)內(nei)容是：產品型號(hao)、規(gui)格(ge)、標(biao)(biao)(biao)準(zhun)號(hao)、廠名、產地等在一定的標(biao)(biao)(biao)示間距內(nei)，當標(biao)(biao)(biao)志(zhi)不合格(ge)時，會造成施(shi)工(gong)人員識別錯誤，嚴(yan)重時會引發電氣事(shi)故。

2、結構尺(chi)(chi)寸(cun)不(bu)合格的(de)電(dian)線(xian)(xian)(xian)電(dian)纜(lan)(lan)。結構尺(chi)(chi)寸(cun)的(de)主要問(wen)題是護(hu)(hu)(hu)套厚(hou)(hou)度(du)，絕(jue)緣厚(hou)(hou)度(du)，當電(dian)纜(lan)(lan)的(de)護(hu)(hu)(hu)套和絕(jue)緣厚(hou)(hou)度(du)不(bu)達標時，致使(shi)電(dian)線(xian)(xian)(xian)電(dian)纜(lan)(lan)耐電(dian)氣強度(du)會(hui)嚴重降低，導致電(dian)線(xian)(xian)(xian)電(dian)纜(lan)(lan)的(de)使(shi)用(yong)壽命縮(suo)短，嚴重時可導致電(dian)線(xian)(xian)(xian)電(dian)纜(lan)(lan)被擊穿，絕(jue)緣（護(hu)(hu)(hu)套）層起不(bu)到(dao)正常保護(hu)(hu)(hu)作用(yong)，從而發(fa)生電(dian)氣短路和火災等現象。

3、護套式絕緣(yuan)老化前的(de)(de)(de)抗(kang)張(zhang)(zhang)強(qiang)度(du)、伸(shen)長率合格(ge)(ge)的(de)(de)(de)電(dian)(dian)線電(dian)(dian)纜(lan)。絕緣(yuan)護套老化前的(de)(de)(de)抗(kang)張(zhang)(zhang)強(qiang)度(du)、伸(shen)長率不合格(ge)(ge)直接大(da)大(da)縮短(duan)電(dian)(dian)線電(dian)(dian)纜(lan)的(de)(de)(de)工作用(yong)壽命(ming)，而(er)且(qie)在施(shi)工或在長時(shi)間通電(dian)(dian)且(qie)溫度(du)較高的(de)(de)(de)環境(jing)中，極易出現絕緣(yuan)體斷(duan)裂，致使帶電(dian)(dian)導(dao)體裸露，發(fa)生(sheng)(sheng)能(neng)觸電(dian)(dian)式短(duan)路危(wei)險(xian)。其不合格(ge)(ge)的(de)(de)(de)主要原(yuan)因(yin)是使用(yong)了再生(sheng)(sheng)料生(sheng)(sheng)產，以降低產品成本(ben)，二(er)是不具備生(sheng)(sheng)產資格(ge)(ge)小型企業。

4、導(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)(dian)阻不合(he)格的(de)(de)(de)(de)(de)電(dian)(dian)(dian)線(xian)。導(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)(dian)阻主要(yao)是考(kao)核電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)導(dao)(dao)體(ti)(ti)(ti)材(cai)(cai)料以及截面(mian)是否符合(he)的(de)(de)(de)(de)(de)重要(yao)指(zhi)標(biao)(biao)。當導(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)(dian)阻超標(biao)(biao)時，就增大了電(dian)(dian)(dian)流在(zai)(zai)線(xian)路上(shang)通過時的(de)(de)(de)(de)(de)損耗(hao)，加劇了電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)發熱。導(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)(dian)阻不合(he)格的(de)(de)(de)(de)(de)原(yuan)因，主要(yao)進企業為了降低(di)成本，將占原(yuan)材(cai)(cai)料成本80%的(de)(de)(de)(de)(de)銅材(cai)(cai)縮水，要(yao)么(me)降低(di)導(dao)(dao)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)截面(mian)積，要(yao)么(me)使(shi)用含(han)雜質過高的(de)(de)(de)(de)(de)再生(sheng)銅，這樣致使(shi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)(de)(de)(de)(de)導(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)(dian)阻嚴重超標(biao)(biao)，在(zai)(zai)使(shi)用過程中除易引發火災，還會加速包覆在(zai)(zai)電(dian)(dian)(dian)線(xian)外的(de)(de)(de)(de)(de)絕緣層的(de)(de)(de)(de)(de)老化(hua)。

在(zai)購買電(dian)線(xian)電(dian)纜(lan)的過程中，消費者應注意以(yi)下幾個(ge)事

第一、要觀(guan)察電(dian)線的外觀(guan)。合格產(chan)品(pin)的絕緣(yuan)（護套）層柔(rou)軟(ruan)、有韌性和伸(shen)縮性、表面層緊密、光滑、無粗糙感。如果包裹(guo)電(dian)線的塑料(liao)很容易(yi)被(bei)剝去，則存在塑料(liao)強度不夠的問題。

第二、要看(kan)電線的(de)截面。合格產品的(de)銅芯或鋁芯表面應(ying)該具有金屬光澤，表面發(fa)(fa)黑的(de)銅或表面發(fa)(fa)白的(de)鋁說明已被氧化。

第三(san)、在購買電線(xian)時(shi)應注意查看質(zhi)量合格證書(shu)。如果(guo)電線(xian)的質(zhi)量合格，那(nei)么其電線(xian)質(zhi)量應該也受過檢驗，不會有太大的問(wen)題。

沈(shen)陽(yang)凱鵬電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)制造(zao)有(you)限公(gong)司(si)(si)隸屬凱鵬集團(tuan)下屬子公(gong)司(si)(si)，專門(men)從事電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)研(yan)發(fa)、生(sheng)產制造(zao)，是全(quan)國頗具實力的沈(shen)陽(yang)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)廠(chang)家，主營產品(pin)：電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、橡(xiang)套電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)氣裝備用電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)子計算機電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)等，以及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)代加工。小編每天會在公(gong)司(si)(si)官網發(fa)布電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)價格表，及(ji)時更(geng)新銅(tong)價以及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)廠(chang)報價信息。更(geng)多有(you)關電(dian)(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)信息可點(dian)擊公(gong)司(si)(si)官網szbowen.cn