国产精品成人网站/两攻一受3p双龙h调教/玩弄人妻少妇500系列/人妻换人妻仑乱/国产成人一区二区三区别

不合(he)格電線電纜的危(wei)害

電(dian)(dian)線電(dian)(dian)纜是用于傳輸(shu)電(dian)(dian)力(li)、傳輸(shu)信息和(he)實現電(dian)(dian)磁能量(liang)(liang)轉換的一大類電(dian)(dian)工產(chan)品。在(zai)抽查過程中，發現了(le)大量(liang)(liang)的不(bu)合格產(chan)品，這(zhe)些(xie)劣(lie)質產(chan)品給電(dian)(dian)力(li)系統(tong)正常運行埋(mai)下諸多隱患(huan)。

1、標(biao)志(zhi)不(bu)合格的電(dian)線電(dian)纜。標(biao)志(zhi)是(shi)電(dian)線電(dian)纜使用識別(bie)產品基本信息的主要(yao)途(tu)徑，根據標(biao)準(zhun)規(gui)(gui)定標(biao)志(zhi)的主要(yao)內(nei)容是(shi)：產品型號(hao)(hao)、規(gui)(gui)格、標(biao)準(zhun)號(hao)(hao)、廠(chang)名、產地等在一(yi)定的標(biao)示(shi)間距內(nei)，當標(biao)志(zhi)不(bu)合格時(shi)，會造成施工(gong)人員識別(bie)錯誤(wu)，嚴重時(shi)會引發電(dian)氣事故(gu)。

2、結構尺寸不合(he)格的(de)(de)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)(lan)(lan)。結構尺寸的(de)(de)主要問(wen)題是護(hu)(hu)套(tao)厚度(du)，絕緣厚度(du)，當電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)護(hu)(hu)套(tao)和絕緣厚度(du)不達標時，致使(shi)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)(lan)(lan)耐(nai)電(dian)(dian)(dian)氣(qi)強度(du)會(hui)嚴(yan)重降低，導致電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)使(shi)用(yong)壽命縮短，嚴(yan)重時可導致電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)(lan)(lan)被擊穿，絕緣（護(hu)(hu)套(tao)）層起不到(dao)正常保護(hu)(hu)作用(yong)，從而發生電(dian)(dian)(dian)氣(qi)短路(lu)和火災等現象。

3、護套式絕(jue)緣老化前的(de)抗(kang)張(zhang)強度、伸長率(lv)合格的(de)電(dian)(dian)線電(dian)(dian)纜。絕(jue)緣護套老化前的(de)抗(kang)張(zhang)強度、伸長率(lv)不(bu)(bu)合格直接大(da)大(da)縮短電(dian)(dian)線電(dian)(dian)纜的(de)工作用壽命，而且在施工或在長時間通電(dian)(dian)且溫度較高的(de)環境中，極(ji)易出現(xian)絕(jue)緣體斷裂，致使帶電(dian)(dian)導體裸露，發生能觸電(dian)(dian)式短路危險。其不(bu)(bu)合格的(de)主要原因是使用了(le)再生料生產，以降(jiang)低產品(pin)成(cheng)本，二是不(bu)(bu)具備生產資格小型企業。

4、導(dao)(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)阻(zu)不合格的電(dian)(dian)線(xian)(xian)(xian)。導(dao)(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)阻(zu)主(zhu)要是(shi)考核(he)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜的導(dao)(dao)(dao)體(ti)(ti)(ti)材(cai)料以及截面是(shi)否(fou)符合的重要指標(biao)。當導(dao)(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)阻(zu)超標(biao)時，就增大了(le)電(dian)(dian)流在線(xian)(xian)(xian)路上通(tong)過(guo)時的損耗，加(jia)劇了(le)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜的發熱(re)。導(dao)(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)阻(zu)不合格的原(yuan)因，主(zhu)要進企業為了(le)降低成本，將占原(yuan)材(cai)料成本80%的銅(tong)材(cai)縮(suo)水(shui)，要么降低導(dao)(dao)(dao)體(ti)(ti)(ti)的截面積(ji)，要么使(shi)用含雜(za)質過(guo)高的再(zai)生銅(tong)，這樣致使(shi)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜的導(dao)(dao)(dao)體(ti)(ti)(ti)電(dian)(dian)阻(zu)嚴重超標(biao)，在使(shi)用過(guo)程中(zhong)除易引發火災，還會加(jia)速包(bao)覆在電(dian)(dian)線(xian)(xian)(xian)外的絕緣(yuan)層的老化。

在購買電線(xian)電纜(lan)的過程中(zhong)，消費(fei)者應注意以下幾(ji)個事

第一、要觀(guan)察電(dian)線的外觀(guan)。合格產品的絕(jue)緣（護套）層柔(rou)軟、有(you)韌性(xing)和伸縮性(xing)、表面層緊密(mi)、光(guang)滑(hua)、無(wu)粗糙感。如果包裹電(dian)線的塑料很容易(yi)被(bei)剝去，則存在塑料強度(du)不夠的問題。

第二、要看電線的(de)(de)截面。合格產品(pin)的(de)(de)銅芯或(huo)鋁芯表面應該具(ju)有金(jin)屬光(guang)澤，表面發黑的(de)(de)銅或(huo)表面發白的(de)(de)鋁說明已被氧(yang)化。

第三、在購買電(dian)線時應注(zhu)意查看質(zhi)(zhi)量(liang)合(he)格證(zheng)書。如(ru)果(guo)電(dian)線的質(zhi)(zhi)量(liang)合(he)格，那么其電(dian)線質(zhi)(zhi)量(liang)應該也(ye)受過檢驗，不會有(you)太大(da)的問題。

沈(shen)(shen)陽(yang)凱鵬(peng)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜制(zhi)造有限公(gong)(gong)司隸屬(shu)凱鵬(peng)集團下屬(shu)子公(gong)(gong)司，專門從(cong)事(shi)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜研發、生產(chan)制(zhi)造，是全國頗具實力的(de)沈(shen)(shen)陽(yang)電(dian)(dian)纜廠家，主營產(chan)品：電(dian)(dian)力電(dian)(dian)纜、控制(zhi)電(dian)(dian)纜、橡套電(dian)(dian)纜、電(dian)(dian)氣裝備(bei)用電(dian)(dian)線(xian)(xian)電(dian)(dian)纜、電(dian)(dian)子計算機電(dian)(dian)纜、BTTZ電(dian)(dian)纜、YTTW電(dian)(dian)纜等(deng)，以及電(dian)(dian)線(xian)(xian)電(dian)(dian)纜代(dai)加工(gong)。小(xiao)編每天會在公(gong)(gong)司官網發布電(dian)(dian)線(xian)(xian)電(dian)(dian)纜價(jia)格(ge)表，及時更新銅(tong)價(jia)以及電(dian)(dian)纜廠報價(jia)信息(xi)。更多有關電(dian)(dian)線(xian)(xian)電(dian)(dian)纜信息(xi)可點(dian)擊公(gong)(gong)司官網szbowen.cn