电闸 (diàn zhá) — master switch, circuit breaker; main electric switch

뜻

예문

• 请把电闸关掉。
  Qǐng bǎ diàn zhá guān diào.
  Please turn off the master switch.
• 电闸跳了，家里没电了。
  diàn zhá Tiào le, jiā lǐ méi diàn le.
  The circuit breaker tripped, and there's no power in the house.
• 检查电闸是否已经打开。
  Jiǎn chá diàn zhá shì fǒu yǐ jīng dǎ kāi.
  Check whether the master switch is already turned on.