眾(zhong)所(suo)周知(zhi)國家對(dui)于每(mei)一種電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)廠家的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)值都有(you)明確(que)的(de)(de)(de)(de)(de)(de)規定(ding)，區別電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)和非(fei)標(biao)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)(de)根本方(fang)法就是(shi)測(ce)量電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在室溫20℃時的(de)(de)(de)(de)(de)(de)直流(liu)電(dian)(dian)(dian)(dian)阻(zu)值，電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)制造廠家，測(ce)量電(dian)(dian)(dian)(dian)阻(zu)與計算電(dian)(dian)(dian)(dian)阻(zu)值對(dui)比，看能否小于標(biao)準要(yao)求(電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)一定(ding)的(de)(de)(de)(de)(de)(de)線徑、電(dian)(dian)(dian)(dian)導(dao)率(lv)、長度下不大于一定(ding)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu))，電(dian)(dian)(dian)(dian)阻(zu)值小于或(huo)等于的(de)(de)(de)(de)(de)(de)視(shi)為符(fu)合，電(dian)(dian)(dian)(dian)阻(zu)值高壓的(de)(de)(de)(de)(de)(de)視(shi)為非(fei)標(biao)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)。電(dian)(dian)(dian)(dian)線與電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)(de)差異沒有(you)嚴肅的(de)(de)(de)(de)(de)(de)邊界，但從廣意(yi)上講，電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)構造較(jiao)雜(za)(za)亂(luan)，工業電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)，它有(you)雜(za)(za)亂(luan)的(de)(de)(de)(de)(de)(de)護(hu)套層，而電(dian)(dian)(dian)(dian)線構造比較(jiao)簡樸有(you)的(de)(de)(de)(de)(de)(de)僅有(you)導(dao)體和絕緣層，有(you)的(de)(de)(de)(de)(de)(de)只要(yao)織造涂(tu)臘簡便護(hu)層或(huo)包覆一層輕型的(de)(de)(de)(de)(de)(de)軟(ruan)護(hu)層。電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)(de)導(dao)電(dian)(dian)(dian)(dian)線芯是(shi)用于傳輸電(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)(de)(de)。

電線電纜(lan)(lan)產品(pin)的(de)(de)(de)正確存放(fang)和運輸方法1、在(zai)對線纜(lan)(lan)進行(xing)存放(fang)的(de)(de)(de)時(shi)候，合肥(fei)電線，嚴禁與酸、堿及礦物油類(lei)接觸，要與這些有腐(fu)蝕(shi)性的(de)(de)(de)物質隔離存放(fang)；2、貯(zhu)存電纜(lan)(lan)的(de)(de)(de)庫房內不得有破(po)壞絕緣及腐(fu)蝕(shi)金屬的(de)(de)(de)有害氣體存在(zai)；3、盡可能避免在(zai)露天以裸1露方式存放(fang)電纜(lan)(lan)，電纜(lan)(lan)盤(pan)不允許平(ping)放(fang)；4、電纜(lan)(lan)在(zai)保管期(qi)間，應定(ding)期(qi)滾動(夏季3個月一(yi)次，其他季節可酌情延期(qi))。

電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)電(dian)(dian)(dian)纜(lan)的(de)(de)(de)(de)銅導線(xian)(xian)(xian)(xian)(xian)(xian)(xian)應該使(shi)用(yong)(yong)高純度電(dian)(dian)(dian)解銅，電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)電(dian)(dian)(dian)纜(lan)多少(shao)錢，這樣的(de)(de)(de)(de)材料(liao)拉出來的(de)(de)(de)(de)絲均勻(yun)且(qie)有光澤。有些生(sheng)產(chan)(chan)企業為(wei)獲(huo)取高額利潤使(shi)用(yong)(yong)再生(sheng)銅，或偷工減(jian)料(liao)減(jian)少(shao)銅線(xian)(xian)(xian)(xian)(xian)(xian)(xian)面(mian)積，導致(zhi)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)(de)導體電(dian)(dian)(dian)阻嚴重超(chao)標，導線(xian)(xian)(xian)(xian)(xian)(xian)(xian)載流量大打折扣，使(shi)用(yong)(yong)時導體過熱(re)，影響了(le)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)(de)使(shi)用(yong)(yong)壽命，產(chan)(chan)生(sheng)安全隱患。二(er)、絕緣和護套材料(liao)的(de)(de)(de)(de)機械性能（抗(kang)張(zhang)強度、斷裂(lie)伸(shen)長(chang)率）指標不合格。部分電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)電(dian)(dian)(dian)纜(lan)的(de)(de)(de)(de)絕緣和護套材料(liao)使(shi)用(yong)(yong)再生(sheng)塑料(liao)，其抗(kang)張(zhang)強度和斷裂(lie)伸(shen)長(chang)率無法(fa)達到(dao)使(shi)用(yong)(yong)要求。這種電(dian)(dian)(dian)纜(lan)在(zai)受力過程中易(yi)斷裂(lie)，致(zhi)使(shi)帶電(dian)(dian)(dian)導體裸1露，造(zao)(zao)成短路(lu)和漏放(fang)電(dian)(dian)(dian)。三、高壓電(dian)(dian)(dian)纜(lan)絕緣熱(re)延伸(shen)項目不合格。個別產(chan)(chan)品(pin)的(de)(de)(de)(de)絕緣熱(re)延伸(shen)出現了(le)熔斷現象，在(zai)高溫情況下易(yi)造(zao)(zao)成短路(lu)事故(gu)。