Oilpaper capacity type wall bushing is used for insulation and fixed HV or EHV conductor that crosses the wallboard of building in power plant and substation mainly.

• 油纸电容式穿墙套管主要用于发电厂、变电站中引导高压或超高压导线穿过建筑物的墙板,作为导电载流和高压对地墙板的绝缘及机械固定用。