1.
circuit breaker; breaker
A safety device that automatically interrupts electrical flow when it detects an overload or short circuit. Located in the breaker box/electrical panel of buildings.
Loanword
From English "breaker" (short for circuit breaker)
How IT works
ブレーカー automatically "trips" (落ちる) when:
- Too many appliances draw power simultaneously
- 過電流 - overcurrent detected
- 漏電 - electrical leak detected
- 短絡/ショート - short circuit occurs
Common expressions
- ブレーカーが落ちる - breaker trips/goes off
- ブレーカーを上げる - to flip breaker back on
- ブレーカーを下げる - to turn breaker off
- ブレーカーを確認する - to check the breaker
Types in japanese homes
- 漏電ブレーカー - ground fault breaker (main)
- 安全ブレーカー - safety breaker (individual circuits)
- アンペアブレーカー - amperage breaker (contract capacity)
Troubleshooting
If ブレーカー keeps tripping:
1. Reduce number of appliances in use
2. Check for damaged cords
3. Call an electrician if problem persists
Related Words
Related:
漏電 (electrical leak)
Compare:
分電盤 (distribution board)
Compare:
配電盤 (power distribution board)