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不合格電線(xian)電纜的危害(hai)

電線電纜是用于傳輸電力、傳輸信(xin)息和實現(xian)電磁能(neng)量轉換的一大類電工產品(pin)。在抽查過程(cheng)中，發現(xian)了大量的不合格產品(pin)，這些劣質(zhi)產品(pin)給電力系統正(zheng)常運行埋(mai)下(xia)諸多隱患。

1、標(biao)志不(bu)合格的電(dian)線(xian)電(dian)纜。標(biao)志是電(dian)線(xian)電(dian)纜使用識(shi)別(bie)產品基本信息的主(zhu)要(yao)途(tu)徑，根據標(biao)準規(gui)定標(biao)志的主(zhu)要(yao)內容是：產品型號、規(gui)格、標(biao)準號、廠名、產地(di)等在(zai)一定的標(biao)示間距內，當標(biao)志不(bu)合格時，會造(zao)成施工人員識(shi)別(bie)錯誤，嚴重時會引發電(dian)氣事(shi)故。

2、結構尺寸不(bu)合格的(de)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)(lan)。結構尺寸的(de)主要問題是護套厚度，絕緣厚度，當電(dian)纜(lan)(lan)(lan)的(de)護套和絕緣厚度不(bu)達(da)標(biao)時(shi)，致(zhi)使電(dian)線(xian)(xian)電(dian)纜(lan)(lan)(lan)耐電(dian)氣強度會嚴重降低，導致(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)(lan)的(de)使用壽命(ming)縮短，嚴重時(shi)可導致(zhi)電(dian)線(xian)(xian)電(dian)纜(lan)(lan)(lan)被擊穿，絕緣（護套）層起不(bu)到正常保護作用，從(cong)而(er)發生電(dian)氣短路和火災等現象。

3、護套式(shi)絕緣老化前的(de)(de)(de)抗張(zhang)強(qiang)度、伸長率(lv)合(he)格的(de)(de)(de)電(dian)(dian)線電(dian)(dian)纜(lan)。絕緣護套老化前的(de)(de)(de)抗張(zhang)強(qiang)度、伸長率(lv)不(bu)合(he)格直(zhi)接大大縮短電(dian)(dian)線電(dian)(dian)纜(lan)的(de)(de)(de)工作用(yong)(yong)壽命，而且(qie)在(zai)施工或在(zai)長時間(jian)通電(dian)(dian)且(qie)溫度較高(gao)的(de)(de)(de)環境中(zhong)，極易出現絕緣體(ti)斷裂(lie)，致(zhi)使帶電(dian)(dian)導體(ti)裸(luo)露(lu)，發生(sheng)能觸(chu)電(dian)(dian)式(shi)短路危險。其不(bu)合(he)格的(de)(de)(de)主(zhu)要原因是使用(yong)(yong)了再生(sheng)料生(sheng)產，以降低產品成(cheng)本，二是不(bu)具備(bei)生(sheng)產資格小型企業。

4、導(dao)(dao)體電(dian)(dian)(dian)(dian)阻不合(he)格(ge)的(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)。導(dao)(dao)體電(dian)(dian)(dian)(dian)阻主(zhu)要(yao)(yao)(yao)(yao)是考核電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)導(dao)(dao)體材(cai)(cai)料以及截面是否符合(he)的(de)(de)(de)重(zhong)要(yao)(yao)(yao)(yao)指標(biao)。當導(dao)(dao)體電(dian)(dian)(dian)(dian)阻超標(biao)時，就增(zeng)大了(le)(le)電(dian)(dian)(dian)(dian)流在線(xian)路上通過時的(de)(de)(de)損耗，加劇了(le)(le)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)發(fa)熱。導(dao)(dao)體電(dian)(dian)(dian)(dian)阻不合(he)格(ge)的(de)(de)(de)原因(yin)，主(zhu)要(yao)(yao)(yao)(yao)進企(qi)業(ye)為了(le)(le)降低成(cheng)本，將(jiang)占原材(cai)(cai)料成(cheng)本80%的(de)(de)(de)銅材(cai)(cai)縮水，要(yao)(yao)(yao)(yao)么降低導(dao)(dao)體的(de)(de)(de)截面積，要(yao)(yao)(yao)(yao)么使(shi)用含(han)雜質過高(gao)的(de)(de)(de)再生銅，這(zhe)樣致使(shi)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)導(dao)(dao)體電(dian)(dian)(dian)(dian)阻嚴重(zhong)超標(biao)，在使(shi)用過程中除易引發(fa)火災，還會加速(su)包覆在電(dian)(dian)(dian)(dian)線(xian)外的(de)(de)(de)絕緣層的(de)(de)(de)老(lao)化。

在(zai)購買電(dian)(dian)線電(dian)(dian)纜的過(guo)程中，消費者(zhe)應注(zhu)意以下幾個事

第一(yi)、要觀察(cha)電(dian)線的(de)外觀。合格產品(pin)的(de)絕緣（護套）層柔軟(ruan)、有韌性(xing)和伸縮性(xing)、表面層緊密(mi)、光滑、無粗(cu)糙(cao)感。如果包裹電(dian)線的(de)塑料很(hen)容(rong)易被剝去，則存在塑料強度不夠的(de)問題。

第二、要看電線的(de)(de)截面(mian)。合格(ge)產品的(de)(de)銅芯或鋁芯表面(mian)應該具(ju)有(you)金屬光澤，表面(mian)發黑的(de)(de)銅或表面(mian)發白的(de)(de)鋁說明已(yi)被氧(yang)化(hua)。

第三、在購買(mai)電線(xian)時應注意查(cha)看質(zhi)量合(he)格證書。如果電線(xian)的(de)質(zhi)量合(he)格，那么其電線(xian)質(zhi)量應該也受(shou)過檢驗，不會有太大的(de)問題。

沈陽凱鵬(peng)電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜制造有(you)限公(gong)司隸屬(shu)凱鵬(peng)集團下屬(shu)子(zi)公(gong)司，專(zhuan)門從(cong)事電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜研發(fa)、生產制造，是(shi)全國頗具實力的沈陽電(dian)(dian)(dian)纜廠(chang)(chang)家，主營產品：電(dian)(dian)(dian)力電(dian)(dian)(dian)纜、控制電(dian)(dian)(dian)纜、橡套電(dian)(dian)(dian)纜、電(dian)(dian)(dian)氣(qi)裝備用電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜、電(dian)(dian)(dian)子(zi)計算(suan)機電(dian)(dian)(dian)纜、BTTZ電(dian)(dian)(dian)纜、YTTW電(dian)(dian)(dian)纜等，以及電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜代加工。小編每天會在(zai)公(gong)司官網發(fa)布電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜價格表，及時更新銅價以及電(dian)(dian)(dian)纜廠(chang)(chang)報價信息(xi)。更多有(you)關電(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)纜信息(xi)可點擊公(gong)司官網szbowen.cn