ZR是阻燃型

IV是4級
B是B類

BV是PVC絕緣電線

總稱：阻燃型4級B類PVC絕緣電線

  電(dian)線(xian)(xian)(xian)(xian)是指(zhi)傳輸電(dian)能(neng)的(de)導(dao)線(xian)(xian)(xian)(xian)。分(fen)裸線(xian)(xian)(xian)(xian)、電(dian)磁(ci)線(xian)(xian)(xian)(xian)和絕(jue)緣(yuan)線(xian)(xian)(xian)(xian)。裸線(xian)(xian)(xian)(xian)沒有絕(jue)緣(yuan)層(ceng)，包括銅(tong)、鋁平線(xian)(xian)(xian)(xian)、架空絞(jiao)線(xian)(xian)(xian)(xian)以及(ji)各種(zhong)型材(cai)(cai)(如型線(xian)(xian)(xian)(xian)、母線(xian)(xian)(xian)(xian)、銅(tong) 排、鋁排等(deng))。它(ta)主要用(yong)(yong)于戶外架空及(ji)室內(nei)匯流 排和開關箱。電(dian)磁(ci)線(xian)(xian)(xian)(xian)是通電(dian)后(hou)產生磁(ci)場(chang)或在磁(ci)場(chang)中感應產生電(dian)流的(de)絕(jue)緣(yuan)導(dao)線(xian)(xian)(xian)(xian)。它(ta)主要用(yong)(yong)于電(dian)動機(ji)和變(bian)壓器繞圈(quan)以及(ji)其(qi)他有關電(dian)磁(ci)設備。其(qi)導(dao)體主要是銅(tong)線(xian)(xian)(xian)(xian)，應有薄的(de)絕(jue)緣(yuan)層(ceng)和良好的(de)電(dian)氣(qi)機(ji)械(xie)性(xing)能(neng)，以及(ji)耐熱、防潮、耐溶(rong)劑等(deng)性(xing)能(neng)。選用(yong)(yong)不(bu)同的(de)絕(jue)緣(yuan)材(cai)(cai)料可獲得不(bu)同的(de)特(te)性(xing)。