水線
simp水线seoi2 sin3shuǐ xiàn
English
- earthing (electricity)
- earth wire; ground wire
粵語 — Cantonese
- 電力裝置中負責引走漏電時嘅電流，電器嗰面連住外殼；其餘有火線同中線（量詞：條）
Examples
如果冇水線，漏電就好危險喇。
It will be very dangerous if no grounding is connected.
Sources: cc-canto, rime-cantonese, words.hk