There is a wire box on the wall of the toilet in the new house, which has a subway connection it sh

It is an equipotential connection terminal, which is generally used to connect the shell of the metal equipment in the bathroom, and now the home decoration is generally not connected, which is not a big problem. According to the regulations, it is necessary to connect, but to spend more money, first of all, you must know where your equipment is, for example: your towel rod and metal trowel to be connected, before the brick is pasted, you have to put the line to that position, and so the brick is finished to be installed in that position, and the line is pressed to the screw.

This is equipotential wiring, which is useless and can be sealed without harm.

You don't have to worry about it, it is mainly used for the equipotential connection terminal of the lightning protection connection of the building, and the protective grounding of the home, although it is possible to measure it with an instrument"reactions"(Because they are all the same grounding), but it is not the same thing as the protective grounding of the power line, nor is it directly connected, so it cannot be used for grounding protection in the workplace (it is necessary to prevent the possibility of lightning strikes in case of emergency).When you decorate, you can directly cover it with wall tiles (but it is not allowed to be removed or destroyed).