BV電線正確的名稱是:銅(tong)(tong)(tong)(tong)芯聚氯(lv)乙(yi)烯絕緣電線。從內而外(wai)分別為銅(tong)(tong)(tong)(tong)導體(ti)(ti)和聚氯(lv)乙(yi)烯,聚氯(lv)乙(yi)烯包裹著里邊的銅(tong)(tong)(tong)(tong)導體(ti)(ti),聚氯(lv)乙(yi)烯也便是我(wo)們(men)平常常見的“塑料(liao)”。線芯:無氧銅(tong)(tong)(tong)(tong)(無氧銅(tong)(tong)(tong)(tong)是目前市(shi)面上的電線電纜(lan)導體(ti)(ti)資(zi)料(liao)中導電功能最好的一種,具(ju)有(you)導電功能良好以及熔點高(gao)等長處)。
BV線(xian)(xian)一般有(you)8種顏色(se)(se)。分別是:紅、黃、藍、綠、黑、白(bai)、棕、雙(shuang)色(se)(se)(黃綠);通(tong)常情況下:紅、黃、綠色(se)(se)用做(zuo)(zuo)火線(xian)(xian)(L);藍色(se)(se)用做(zuo)(zuo)零(ling)線(xian)(xian)(N);雙(shuang)色(se)(se)用做(zuo)(zuo)地線(xian)(xian)(PE);黑、白(bai)、棕色(se)(se)用做(zuo)(zuo)候補線(xian)(xian)。Bv線(xian)(xian)結構(gou)簡略,有(you)的還有(you)護(hu)套,護(hu)套資料為聚氯(lv)乙烯也用字母V表(biao)明,如(ru):BVV電線(xian)(xian),表(biao)明銅芯聚氯(lv)乙烯絕(jue)緣聚氯(lv)乙烯護(hu)套圓形電線(xian)(xian)。
電(dian)(dian)線(xian)中(zhong)的(de)ZR代表(biao)是(shi)阻燃的(de)意思,而BV是(shi)代表(biao)單塑線(xian)的(de)意思,便(bian)是(shi)銅絲外面只要一層(ceng)塑料包裹。B代表(biao)是(shi)類別,布電(dian)(dian)線(xian);V代表(biao)絕緣為:聚(ju)氯(lv)乙烯。適(shi)用(yong)(yong)于溝通電(dian)(dian)壓450/750V及(ji)以下動力裝(zhuang)置、日用(yong)(yong)電(dian)(dian)器(qi)、儀表(biao)及(ji)電(dian)(dian)信(xin)設備用(yong)(yong)的(de)電(dian)(dian)纜電(dian)(dian)線(xian)。
BV線又(you)分為(wei):ZR-BV 和NH-BV.
ZR-BV: 銅芯聚氯(lv)乙烯絕(jue)緣(yuan)阻燃(ran)(ran)電(dian)線:絕(jue)緣(yuan)料加有阻燃(ran)(ran)劑,脫離明火不自(zi)燃(ran)(ran)。
ZR-BV:阻(zu)燃BV線又分為A、B、C、D四(si)個等級,其中A類最(zui)好,以(yi)此類推,最(zui)常用的為ZR-BV。
NH-BV:銅芯聚氯乙烯絕緣耐火(huo)電線:正(zheng)(zheng)常(chang)著(zhu)火(huo)情況下還可以正(zheng)(zheng)常(chang)運用。 |