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That's not a loop living room 1 road, the bathroom is another road single road.
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Entering the house is a live wire and a neutral wire, and there should also be a ground wire. Because the bathroom consumes a lot of electricity, such as water heaters, bath bombs, etc., it consumes a lot of electricity, and if there is a problem, then the whole room is out of power. In order to avoid all power outages, the wires are routed separately, and they do not affect each other except for problems.
The firing wire is one, but it is controlled separately.
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The power consumption of the bathroom is generally larger, and the living room is opposite the line
Not good, called the little ghost pillar, there is a sense of blocking, blocking, metaphor for the little ghost in charge, there is a sense of blocking, there is this pillar, living in it, life and work, beware of the villain and the ghost disturbance;
Normally, two pairs of wires are used for lighting, one pair is used for electric water heaters, and some of the two pairs of wires are used for exhaust and the like. The ground wires are usually shared, so there is no need to waste an extra wire.
The main switch of the building, when going to the socket and lighting in each room (including the kitchen or bathroom), is controlled separately and routed separately.
It should be said that there are four wires in the control box on the wall, right? If that's the case, then here's why: >>>More
This doesn't matter, just stick a brick, but it really doesn't work, shoot the gun.