In our country, system is mainly the non - effective earthing system.我國中低壓配電網多采用小電流接地系統.Earthing connector of socket will not connect to neutral connector.插座的接地端子不與零線端子連接.For disconnector: Center break, double break, ear...
Quick earthing switch is applied to earthing and loop shorting.快速接地開關用于接地和回路短接.In our country, system is mainly the non - effective earthing system.我國中低壓配電網多采用小電流接地系統.Earthing connector of socket will not connect to neut...