neutral service wire
/ˈnjuːtɹəl ˈsɜːvɪs ˈwaɪə/
n
English · neutral service wire中文 · 入户中性线Español · cable principal neutroFrançais · fil de service neutre
Bedeutung：Wire having no electric charge that, via the neutral hot bus bar, returns the current from domestic circuits to the grid.