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Anonymous users2024-01-24If the manhole is reserved, it is correct, and if the manhole is not left, it is incorrect. If you don't have to leave it, let the bricklayer remove the brick, change a brick to dig a good position on the back and tap it from the front to take it out, you don't have to take out the mouth now, you can take it out during maintenance, and stick it on after the repair.
Inside is a metal strip connected to the electrical box grounding wire together up to the top floor down to the ground The top is connected to the lightning protection facility Conductive effect When the brick is covered, you can cover it under the brick Note It also belongs to public facilities It is best not to cut off the metal plate during construction.
Yes, the terminal box is a secondary grounding box, there's nothing wrong with it, it's fine.
Hello, the equipotential box in the bathroom at home is rusty, it can be covered with a tarpaulin, if it is decorated, it can also be patched with a small piece of tile and the same as the wall, if it is being decorated, it is pasted with tiles, and the surface of the tile is sawed and the inside is the same size as the zygote.
Wiring from the metal components of the bathroom.
You think too much, this is just an exposed point of the grounding wire, which is used to detect the performance of the grounding wire. The ground wires of the socket and distribution box are connected to him. Lightning is directly into the ground through the grounding electrode, and will not cause lightning accidents in the bathroom.