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Anonymous users2024-01-24According to the regulations, the power box needs to be followed by the strong current box source.
If it is a residential building, this has already been connected during civil construction. There is a grounding wire and a 25*4 galvanized flat iron in the equipotential box, the ground wire is connected to the grounding terminal of the main distribution box, and the galvanized flat iron is connected to the steel mesh of the building.
Just connect the metal part of the bathroom to the ground wire. It cannot be connected to galvanized flat iron.
If you don't redo the waterproofing after nailing, it is a violation, and you can ask him to redo it for you.
There is a thermal short circuit in the lamp driver, and the driver needs to be repaired, if it can't be repaired, the same parameter driver is purchased.
Although it is not recommended to use rigid waterproofing, but to do, there should not be a big problem, now generally do not use rigid directly, are used flexible, easy to til, and have a certain tensile force, compared with rigidity is more suitable for long-term waterproofing.
1. Cut off all the cracks, buckle them with toothless drama, and paste them with the same tiles, and the decoration company will do it for you, right? >>>More
It's okay, because the neutral line itself is grounded at the transformer.