电闸 (diànzhá): electric switch

Measure Word

一个电闸 gè

HSK 7-9

拉下电闸，整栋楼停电了。

Lā xià diànzhá, zhěng dòng lóu tíngdiàn le.

After pulling the circuit breaker, the whole building lost power.

HSK 7-9

检修之前要先关掉电闸。

Jiǎnxiū zhīqián yào xiān guāndiào diànzhá.

You must turn off the power switch before doing maintenance.

usage

电闸 refers to a main power switch or circuit breaker that cuts electricity to an entire circuit, distinct from ordinary 开关 (light switch).

电 diàn

闸 zhá