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Hello, the multimedia box has a 220V power supply, and there is no need to connect the power supply in addition.
If there is no power supply that can be connected. Connect from anywhere.
Do not link the socket to the equipotential junction box. As long as it is reliably grounded, it will do.
It actually has to do with the thickness of your wiring, which is generally twice the rated current. >>>More
Yes. The leakage insurance used for some lines must be separated.
This is the equipotential connection in the bathroom, that is, the equipotential connection of all the metal parts in the bathroom to the ground wire, which is very common in today's buildings. >>>More
It can be converted into a cloakroom, and if it is large enough, it can be made into a set of cabinets, so that it is clean and practical.