kuluttajapäävirta
Kuluttajapäävirta, often translated as consumer main current or consumer unit, refers to the primary electrical connection point in a residential or commercial building that supplies electricity to all outgoing circuits. It is the central distribution hub where the incoming power from the utility company is divided into smaller circuits, each protected by a circuit breaker or fuse. This unit houses the main switch, which allows for the complete disconnection of power to the entire building, and the individual circuit breakers or fuses that protect each specific circuit from overcurrents and short circuits.
The typical kuluttajapäävirta is a metal enclosure containing a busbar system to which the main incoming power