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不合格(ge)電線電纜的危害(hai)

電(dian)線電(dian)纜是用于傳(chuan)(chuan)輸電(dian)力、傳(chuan)(chuan)輸信息(xi)和(he)實現電(dian)磁能量轉(zhuan)換(huan)的一大類電(dian)工(gong)產品。在抽(chou)查(cha)過程(cheng)中，發現了大量的不合格產品，這些劣質產品給電(dian)力系統正常(chang)運行埋下(xia)諸多隱患。

1、標(biao)志不合格的(de)電(dian)線電(dian)纜(lan)。標(biao)志是(shi)電(dian)線電(dian)纜(lan)使用(yong)識(shi)別產品基本信息的(de)主(zhu)要途徑(jing)，根據(ju)標(biao)準規定標(biao)志的(de)主(zhu)要內容是(shi)：產品型號、規格、標(biao)準號、廠(chang)名(ming)、產地等(deng)在一定的(de)標(biao)示間距內，當(dang)標(biao)志不合格時，會造(zao)成施工人員(yuan)識(shi)別錯誤(wu)，嚴重時會引(yin)發電(dian)氣事故。

2、結構(gou)尺寸(cun)不合格的(de)(de)電(dian)線(xian)(xian)電(dian)纜(lan)。結構(gou)尺寸(cun)的(de)(de)主要(yao)問題是護套厚度(du)，絕緣厚度(du)，當(dang)電(dian)纜(lan)的(de)(de)護套和(he)(he)絕緣厚度(du)不達標時，致(zhi)使(shi)電(dian)線(xian)(xian)電(dian)纜(lan)耐電(dian)氣強度(du)會嚴重降低，導(dao)致(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)的(de)(de)使(shi)用(yong)壽命縮(suo)短(duan)，嚴重時可導(dao)致(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)被(bei)擊穿(chuan)，絕緣（護套）層(ceng)起不到(dao)正常(chang)保(bao)護作用(yong)，從(cong)而(er)發生電(dian)氣短(duan)路和(he)(he)火災等現(xian)象。

3、護套式(shi)絕(jue)緣(yuan)(yuan)老(lao)化前(qian)的抗(kang)張強(qiang)(qiang)度(du)、伸長(chang)率合(he)格的電(dian)線電(dian)纜。絕(jue)緣(yuan)(yuan)護套老(lao)化前(qian)的抗(kang)張強(qiang)(qiang)度(du)、伸長(chang)率不(bu)(bu)合(he)格直接大大縮短(duan)電(dian)線電(dian)纜的工(gong)作用壽命(ming)，而且在施工(gong)或(huo)在長(chang)時間通電(dian)且溫度(du)較高的環境中，極易出現絕(jue)緣(yuan)(yuan)體(ti)斷裂，致使帶(dai)電(dian)導體(ti)裸露，發生(sheng)能觸電(dian)式(shi)短(duan)路危險。其不(bu)(bu)合(he)格的主要原因是(shi)(shi)使用了再生(sheng)料(liao)生(sheng)產，以降(jiang)低產品成本，二是(shi)(shi)不(bu)(bu)具備生(sheng)產資格小型(xing)企業。

4、導體(ti)電(dian)(dian)阻(zu)(zu)(zu)不合格的(de)電(dian)(dian)線(xian)(xian)。導體(ti)電(dian)(dian)阻(zu)(zu)(zu)主要(yao)(yao)是考核電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)導體(ti)材料以(yi)及截面(mian)是否符合的(de)重(zhong)要(yao)(yao)指標。當導體(ti)電(dian)(dian)阻(zu)(zu)(zu)超標時，就增大了(le)電(dian)(dian)流在線(xian)(xian)路上通過(guo)時的(de)損耗(hao)，加劇了(le)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)發(fa)熱。導體(ti)電(dian)(dian)阻(zu)(zu)(zu)不合格的(de)原因(yin)，主要(yao)(yao)進(jin)企(qi)業為了(le)降(jiang)低成本，將占原材料成本80%的(de)銅材縮(suo)水，要(yao)(yao)么(me)降(jiang)低導體(ti)的(de)截面(mian)積(ji)，要(yao)(yao)么(me)使(shi)(shi)用含雜質過(guo)高的(de)再生(sheng)銅，這樣致(zhi)使(shi)(shi)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜的(de)導體(ti)電(dian)(dian)阻(zu)(zu)(zu)嚴重(zhong)超標，在使(shi)(shi)用過(guo)程中除易引發(fa)火災，還會加速包覆在電(dian)(dian)線(xian)(xian)外的(de)絕緣層的(de)老化。

在購買電(dian)線(xian)電(dian)纜的過程(cheng)中(zhong)，消(xiao)費者應注意以下幾(ji)個事(shi)

第一、要觀察電線的(de)外(wai)觀。合格產品的(de)絕緣（護套）層(ceng)柔軟(ruan)、有韌性和伸縮性、表面層(ceng)緊(jin)密、光滑、無粗糙感。如(ru)果(guo)包裹電線的(de)塑料很容易(yi)被剝去，則存(cun)在(zai)塑料強度不夠的(de)問(wen)題。

第二、要看(kan)電線的截面。合(he)格產品的銅芯或(huo)鋁芯表面應該具有金屬光澤，表面發黑的銅或(huo)表面發白的鋁說明已被氧(yang)化。

第(di)三、在購買(mai)電(dian)線(xian)時(shi)應注意查看(kan)質量(liang)合格(ge)(ge)證書(shu)。如果(guo)電(dian)線(xian)的(de)質量(liang)合格(ge)(ge)，那么其電(dian)線(xian)質量(liang)應該也(ye)受過檢驗，不(bu)會有太大(da)的(de)問題。

沈(shen)陽凱鵬電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)制造(zao)有限公(gong)司(si)隸屬凱鵬集(ji)團下屬子(zi)公(gong)司(si)，專門從事電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)研發、生(sheng)產制造(zao)，是(shi)全國頗具實(shi)力的(de)沈(shen)陽電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)廠家，主營產品：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、控制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、橡(xiang)套電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣裝備用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)計(ji)算機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)等，以(yi)及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)代加工。小編每天會(hui)在公(gong)司(si)官網(wang)發布電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)價(jia)格表，及時更新銅價(jia)以(yi)及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)廠報價(jia)信(xin)息。更多(duo)有關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)信(xin)息可點擊公(gong)司(si)官網(wang)szbowen.cn