廣義上，人們將電線和東北防火電纜統一稱為電線電纜。電線和電纜之間，沒有且固定的概念差異，一般僅以日常經驗來進行差異。在狹義上，分為電線和電纜，電線和電纜一般都是由電線電纜導體、絕緣層和護套層三個部分組成。

就(jiu)具體(ti)(ti)差異(yi)上(shang)，電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，一(yi)般(ban)是指由(you)單根(gen)(gen)或(huo)多(duo)跟銅(tong)或(huo)鋁等導(dao)(dao)體(ti)(ti)絞合而(er)(er)成(cheng)(cheng)，然(ran)后在電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)纜導(dao)(dao)體(ti)(ti)外部加上(shang)絕(jue)(jue)緣(yuan)層(ceng)或(huo)護(hu)套層(ceng)而(er)(er)組(zu)(zu)成(cheng)(cheng)的(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)纜品種(zhong)。電(dian)(dian)(dian)(dian)纜一(yi)般(ban)是由(you)一(yi)根(gen)(gen)或(huo)多(duo)根(gen)(gen)導(dao)(dao)體(ti)(ti)組(zu)(zu)成(cheng)(cheng)，而(er)(er)電(dian)(dian)(dian)(dian)纜的(de)(de)(de)每一(yi)根(gen)(gen)導(dao)(dao)體(ti)(ti)，又(you)是由(you)一(yi)股或(huo)多(duo)股導(dao)(dao)體(ti)(ti)絞合而(er)(er)成(cheng)(cheng)，再外包(bao)(bao)絕(jue)(jue)緣(yuan)或(huo)護(hu)套構成(cheng)(cheng)，簡單點說(shuo)，電(dian)(dian)(dian)(dian)纜的(de)(de)(de)每一(yi)根(gen)(gen)導(dao)(dao)體(ti)(ti)都可以算作一(yi)股電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。這是電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)和電(dian)(dian)(dian)(dian)纜直接的(de)(de)(de)差異(yi)。1、電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)：是由(you)一(yi)根(gen)(gen)或(huo)幾根(gen)(gen)柔(rou)軟(ruan)(ruan)的(de)(de)(de)導(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)組(zu)(zu)成(cheng)(cheng)，外面包(bao)(bao)以輕(qing)軟(ruan)(ruan)的(de)(de)(de)護(hu)層(ceng)，用于(yu)承載電(dian)(dian)(dian)(dian)流的(de)(de)(de)導(dao)(dao)電(dian)(dian)(dian)(dian)金屬(shu)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)材。有(you)實心的(de)(de)(de)﹑絞合的(de)(de)(de)或(huo)箔(bo)片編織的(de)(de)(de)等各種(zhong)形式(shi)。按絕(jue)(jue)緣(yuan)狀況分(fen)為(wei)裸電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)和絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)兩大類。2、裸電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)不(bu)包(bao)(bao)任何絕(jue)(jue)緣(yuan)或(huo)保護(hu)層(ceng)的(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。除作為(wei)傳輸電(dian)(dian)(dian)(dian)能和信息的(de)(de)(de)導(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)外﹐還(huan)(huan)可用于(yu)制造電(dian)(dian)(dian)(dian)機﹑電(dian)(dian)(dian)(dian)器的(de)(de)(de)構件和連(lian)接線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。一(yi)般(ban)用銅(tong)﹑鋁﹑銅(tong)合金﹑鋁合金以及銅(tong)包(bao)(bao)鋼﹑鋁包(bao)(bao)鋼等復合金屬(shu)材料制造。裸電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)除有(you)杰出的(de)(de)(de)導(dao)(dao)電(dian)(dian)(dian)(dian)性(xing)能外﹐還(huan)(huan)有(you)必定(ding)的(de)(de)(de)機械性(xing)能﹐如抗(kang)拉強度﹑延(yan)伸率﹑曲折改變特性(xing)﹑耐(nai)蠕變﹑耐(nai)磨等。3、絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，按用處分(fen)為(wei)電(dian)(dian)(dian)(dian)磁線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)和通(tong)用絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。通(tong)用絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)包(bao)(bao)含各種(zhong)連(lian)接線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)﹑裝置(zhi)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。電(dian)(dian)(dian)(dian)磁線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)則特指制造線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)圈或(huo)繞組(zu)(zu)的(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。

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