A.220B.440C.550D.1000
A.380/220VB.10KVC.5~110KVD.110~220KV
A.橡膠絕緣電力電纜B.阻燃聚氯-乙烯絕緣電力電纜C.塑料絕緣電力電纜D.油浸紙絕緣