tap water; running water ------- 自来水

 water gauge -------------------- 水表

 water purifier ----------------- 滤水器

 neon light --------------------- 霓虹灯

 table lamp; desk lamp ---------- 台灯
 
 electric current --------------- 电流

 fluorescent lamp --------------- 日光灯

 fresh water -------------------- 淡水

 voltage ------------------------ 电压

 lamp shade --------------------- 灯罩