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不(bu)合格電(dian)線電(dian)纜的危害(hai)

電(dian)線電(dian)纜(lan)是用(yong)于傳(chuan)輸電(dian)力、傳(chuan)輸信(xin)息和(he)實現電(dian)磁能量轉換的一大類(lei)電(dian)工產品(pin)。在抽查過(guo)程中(zhong)，發現了大量的不合格產品(pin)，這些劣質產品(pin)給(gei)電(dian)力系統正常運行埋下(xia)諸多(duo)隱患(huan)。

1、標(biao)(biao)志(zhi)(zhi)不(bu)合格(ge)的(de)(de)電線電纜。標(biao)(biao)志(zhi)(zhi)是(shi)電線電纜使用識(shi)別(bie)產(chan)(chan)品基本信息的(de)(de)主(zhu)(zhu)要(yao)(yao)途徑(jing)，根據標(biao)(biao)準規(gui)定標(biao)(biao)志(zhi)(zhi)的(de)(de)主(zhu)(zhu)要(yao)(yao)內容是(shi)：產(chan)(chan)品型號、規(gui)格(ge)、標(biao)(biao)準號、廠名、產(chan)(chan)地等在(zai)一定的(de)(de)標(biao)(biao)示間(jian)距內，當標(biao)(biao)志(zhi)(zhi)不(bu)合格(ge)時，會(hui)造成(cheng)施(shi)工人員識(shi)別(bie)錯誤，嚴(yan)重時會(hui)引發電氣(qi)事故。

2、結構尺(chi)(chi)寸不(bu)(bu)合格(ge)的(de)電(dian)線(xian)(xian)(xian)電(dian)纜。結構尺(chi)(chi)寸的(de)主要問題是(shi)護(hu)套(tao)厚(hou)度(du)，絕(jue)緣(yuan)厚(hou)度(du)，當(dang)電(dian)纜的(de)護(hu)套(tao)和(he)絕(jue)緣(yuan)厚(hou)度(du)不(bu)(bu)達標時，致(zhi)使電(dian)線(xian)(xian)(xian)電(dian)纜耐電(dian)氣強度(du)會嚴(yan)重降(jiang)低，導(dao)致(zhi)電(dian)線(xian)(xian)(xian)電(dian)纜的(de)使用壽命縮短，嚴(yan)重時可導(dao)致(zhi)電(dian)線(xian)(xian)(xian)電(dian)纜被擊穿，絕(jue)緣(yuan)（護(hu)套(tao)）層起不(bu)(bu)到正常保護(hu)作用，從(cong)而發生電(dian)氣短路和(he)火災等現象(xiang)。

3、護套式(shi)絕緣老化前的抗張(zhang)強度(du)、伸(shen)長(chang)率(lv)合(he)格(ge)(ge)的電線電纜。絕緣護套老化前的抗張(zhang)強度(du)、伸(shen)長(chang)率(lv)不(bu)合(he)格(ge)(ge)直接(jie)大(da)大(da)縮短(duan)電線電纜的工(gong)作用(yong)壽(shou)命(ming)，而且在施工(gong)或在長(chang)時間通電且溫度(du)較高的環境中，極易出現絕緣體斷裂，致使(shi)帶電導(dao)體裸露(lu)，發生能觸電式(shi)短(duan)路(lu)危險。其不(bu)合(he)格(ge)(ge)的主(zhu)要原因(yin)是使(shi)用(yong)了再生料生產，以降(jiang)低產品成本，二是不(bu)具備生產資格(ge)(ge)小型企(qi)業(ye)。

4、導(dao)(dao)(dao)體電(dian)阻不合(he)格的(de)(de)電(dian)線(xian)(xian)。導(dao)(dao)(dao)體電(dian)阻主要(yao)是考(kao)核電(dian)線(xian)(xian)電(dian)纜(lan)的(de)(de)導(dao)(dao)(dao)體材(cai)料(liao)以(yi)及截面(mian)是否符(fu)合(he)的(de)(de)重(zhong)要(yao)指標(biao)。當導(dao)(dao)(dao)體電(dian)阻超標(biao)時(shi)，就增大了電(dian)流在線(xian)(xian)路上通過(guo)時(shi)的(de)(de)損耗，加劇了電(dian)線(xian)(xian)電(dian)纜(lan)的(de)(de)發(fa)熱。導(dao)(dao)(dao)體電(dian)阻不合(he)格的(de)(de)原因，主要(yao)進企(qi)業為了降低(di)(di)成本，將占原材(cai)料(liao)成本80%的(de)(de)銅(tong)材(cai)縮水，要(yao)么降低(di)(di)導(dao)(dao)(dao)體的(de)(de)截面(mian)積，要(yao)么使(shi)用含雜質過(guo)高的(de)(de)再生(sheng)銅(tong)，這樣致使(shi)電(dian)線(xian)(xian)電(dian)纜(lan)的(de)(de)導(dao)(dao)(dao)體電(dian)阻嚴(yan)重(zhong)超標(biao)，在使(shi)用過(guo)程(cheng)中除易引發(fa)火災，還會加速包(bao)覆(fu)在電(dian)線(xian)(xian)外(wai)的(de)(de)絕緣層的(de)(de)老化。

在購買(mai)電線電纜的(de)過程(cheng)中，消費者應注意以(yi)下幾個事

第(di)一(yi)、要觀察電線(xian)的外(wai)觀。合格產品(pin)的絕緣（護套）層(ceng)柔軟、有(you)韌(ren)性和伸縮性、表(biao)面層(ceng)緊密、光(guang)滑、無粗糙感。如果包(bao)裹(guo)電線(xian)的塑(su)料很容易(yi)被剝去(qu)，則存在塑(su)料強度不夠的問題。

第二(er)、要看(kan)電線的(de)截面(mian)。合(he)格產品的(de)銅芯(xin)或(huo)鋁芯(xin)表(biao)(biao)面(mian)應(ying)該具有金屬(shu)光(guang)澤，表(biao)(biao)面(mian)發黑(hei)的(de)銅或(huo)表(biao)(biao)面(mian)發白的(de)鋁說明已被氧化(hua)。

第三、在購買電(dian)線時(shi)應注意查(cha)看質量(liang)合(he)格證(zheng)書。如果(guo)電(dian)線的質量(liang)合(he)格，那么其電(dian)線質量(liang)應該也(ye)受過檢(jian)驗，不會有太(tai)大的問題(ti)。

沈(shen)陽凱鵬電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)制造有限(xian)公(gong)(gong)司隸屬凱鵬集團下屬子(zi)(zi)公(gong)(gong)司，專(zhuan)門從(cong)事電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)研發、生產制造，是全國頗(po)具實(shi)力的沈(shen)陽電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠(chang)家，主營(ying)產品(pin)：電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、控制電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、橡套(tao)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)氣裝(zhuang)備用電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)計算機電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、BTTZ電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)、YTTW電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)等，以(yi)及電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)代(dai)加(jia)工(gong)。小編每天會在(zai)公(gong)(gong)司官(guan)網(wang)發布電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)價(jia)格(ge)表(biao)，及時更新銅價(jia)以(yi)及電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠(chang)報價(jia)信息。更多有關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)信息可(ke)點(dian)擊公(gong)(gong)司官(guan)網(wang)szbowen.cn