I didn’t know you people had only one of them.

I have:

1. A switch on my appliance
2. A switch on each socket of my extension board
3. A switch on the wall
4. An MCB connected to groups of sockets
5. An MCB for the whole house
6. A circuit breaker on the nearby distribution station
7. A circuit breaker in the power plant
8. A generator start/stop system in the power plant