電(dian)(dian)線電(dian)(dian)纜(lan)是(shi)用以傳輸電(dian)(dian)(磁(ci))能(neng),信息和實現(xian)電(dian)(dian)磁(ci)能(neng)轉換的線材產(chan)品(pin),廣義的電(dian)(dian)線電(dian)(dian)纜(lan)亦(yi)簡(jian)稱為(wei)(wei)電(dian)(dian)纜(lan),狹義的電(dian)(dian)纜(lan)是(shi)指絕緣電(dian)(dian)纜(lan),它可(ke)定義為(wei)(wei):由下列部分組(zu)成的集(ji)合體;一(yi)根或(huo)多根絕緣線芯,以及(ji)(ji)它們各自可(ke)能(neng)具有(you)的包覆層,總保護層及(ji)(ji)外護層,電(dian)(dian)纜(lan)亦(yi)可(ke)有(you)附加的沒(mei)有(you)絕緣的導體。