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不(bu)合格電線電纜(lan)的危(wei)害(hai)

電(dian)線電(dian)纜是用于傳(chuan)(chuan)輸電(dian)力(li)(li)、傳(chuan)(chuan)輸信息和(he)實(shi)現電(dian)磁(ci)能量轉換的一大類電(dian)工產品(pin)。在抽(chou)查過程中，發現了大量的不(bu)合格產品(pin)，這些劣質產品(pin)給電(dian)力(li)(li)系統正常運行埋下諸(zhu)多(duo)隱患。

1、標(biao)(biao)(biao)志不合(he)格的電(dian)(dian)線電(dian)(dian)纜(lan)。標(biao)(biao)(biao)志是電(dian)(dian)線電(dian)(dian)纜(lan)使用識(shi)別產品基本(ben)信(xin)息的主要途徑，根據標(biao)(biao)(biao)準規定(ding)標(biao)(biao)(biao)志的主要內(nei)容是：產品型號、規格、標(biao)(biao)(biao)準號、廠(chang)名、產地等在一定(ding)的標(biao)(biao)(biao)示間距內(nei)，當標(biao)(biao)(biao)志不合(he)格時，會造成施(shi)工(gong)人員(yuan)識(shi)別錯(cuo)誤(wu)，嚴重時會引發電(dian)(dian)氣事(shi)故(gu)。

2、結構尺寸(cun)不合格(ge)的電(dian)線(xian)電(dian)纜(lan)(lan)(lan)。結構尺寸(cun)的主要問題(ti)是護(hu)套厚度(du)，絕(jue)(jue)緣厚度(du)，當(dang)電(dian)纜(lan)(lan)(lan)的護(hu)套和絕(jue)(jue)緣厚度(du)不達標時，致(zhi)使電(dian)線(xian)電(dian)纜(lan)(lan)(lan)耐電(dian)氣(qi)強度(du)會嚴(yan)(yan)重(zhong)降低，導致(zhi)電(dian)線(xian)電(dian)纜(lan)(lan)(lan)的使用壽命縮短，嚴(yan)(yan)重(zhong)時可導致(zhi)電(dian)線(xian)電(dian)纜(lan)(lan)(lan)被(bei)擊穿，絕(jue)(jue)緣（護(hu)套）層起不到(dao)正常保護(hu)作用，從(cong)而(er)發生電(dian)氣(qi)短路和火災等現象。

3、護套式絕(jue)緣老(lao)化前(qian)(qian)的抗張(zhang)強度(du)、伸(shen)長率(lv)合格(ge)的電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜。絕(jue)緣護套老(lao)化前(qian)(qian)的抗張(zhang)強度(du)、伸(shen)長率(lv)不(bu)合格(ge)直接大(da)大(da)縮(suo)短(duan)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜的工作用壽命，而(er)且(qie)在施工或在長時間通電(dian)(dian)(dian)(dian)且(qie)溫度(du)較高的環境中(zhong)，極易出現絕(jue)緣體斷裂，致使(shi)帶電(dian)(dian)(dian)(dian)導體裸露，發生能觸(chu)電(dian)(dian)(dian)(dian)式短(duan)路(lu)危險。其不(bu)合格(ge)的主(zhu)要原因是(shi)使(shi)用了(le)再生料生產，以降(jiang)低產品(pin)成本，二是(shi)不(bu)具備(bei)生產資格(ge)小型(xing)企業。

4、導(dao)(dao)(dao)體(ti)(ti)電(dian)阻(zu)不(bu)合格(ge)的(de)(de)電(dian)線。導(dao)(dao)(dao)體(ti)(ti)電(dian)阻(zu)主要是考(kao)核(he)電(dian)線電(dian)纜的(de)(de)導(dao)(dao)(dao)體(ti)(ti)材料以及截面是否符合的(de)(de)重(zhong)要指標。當導(dao)(dao)(dao)體(ti)(ti)電(dian)阻(zu)超(chao)(chao)標時，就增大了電(dian)流在(zai)線路上通(tong)過時的(de)(de)損耗(hao)，加劇了電(dian)線電(dian)纜的(de)(de)發熱。導(dao)(dao)(dao)體(ti)(ti)電(dian)阻(zu)不(bu)合格(ge)的(de)(de)原因，主要進企(qi)業為了降低成本，將占原材料成本80%的(de)(de)銅(tong)材縮水，要么(me)降低導(dao)(dao)(dao)體(ti)(ti)的(de)(de)截面積，要么(me)使用含(han)雜質過高(gao)的(de)(de)再生銅(tong)，這(zhe)樣致使電(dian)線電(dian)纜的(de)(de)導(dao)(dao)(dao)體(ti)(ti)電(dian)阻(zu)嚴重(zhong)超(chao)(chao)標，在(zai)使用過程中除易引發火(huo)災，還(huan)會加速包(bao)覆在(zai)電(dian)線外的(de)(de)絕(jue)緣層的(de)(de)老化。

在(zai)購買(mai)電(dian)線電(dian)纜的過程(cheng)中(zhong)，消費者應注(zhu)意以下幾個事

第一、要觀察電線(xian)的外觀。合格產品(pin)的絕緣（護(hu)套(tao)）層(ceng)柔(rou)軟、有韌性(xing)和伸(shen)縮(suo)性(xing)、表面層(ceng)緊(jin)密(mi)、光滑、無(wu)粗糙感。如果包(bao)裹電線(xian)的塑料很容易被剝去，則存在(zai)塑料強度不(bu)夠的問題。

第二、要(yao)看電線的(de)(de)(de)截面(mian)。合格產(chan)品(pin)的(de)(de)(de)銅(tong)芯或鋁芯表(biao)面(mian)應該具有金屬光澤，表(biao)面(mian)發黑的(de)(de)(de)銅(tong)或表(biao)面(mian)發白的(de)(de)(de)鋁說明(ming)已被氧化。

第(di)三、在(zai)購(gou)買電(dian)(dian)線時應注意查看質(zhi)量(liang)合(he)格證(zheng)書。如果電(dian)(dian)線的(de)質(zhi)量(liang)合(he)格，那(nei)么其(qi)電(dian)(dian)線質(zhi)量(liang)應該(gai)也受(shou)過檢(jian)驗，不會有太(tai)大(da)的(de)問(wen)題。

沈陽(yang)凱鵬電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)制造(zao)有限(xian)公司(si)(si)(si)隸屬凱鵬集團下屬子公司(si)(si)(si)，專門從事電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)研發、生產制造(zao)，是全國頗具實力(li)的沈陽(yang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)廠家，主營產品：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、橡套(tao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣裝備用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子計算機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)等(deng)，以及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)代加工。小編每天會在公司(si)(si)(si)官網發布電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)價格表，及時更新銅價以及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)廠報價信息。更多有關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)信息可點(dian)擊(ji)公司(si)(si)(si)官網szbowen.cn