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I don't think it should make much sense. Because the bathroom is originally humid. A small grass grows in the bathroom. The description has a grass seed in it, and then it sprouts.
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The palms and small intestines in the bathroom indicate that you haven't lived at home for a long time and rarely use the bathroom, so you don't find grass growing out.
This is to prevent leakage, because the resistance of the earth is smaller than that of people, so the current when leakage does not pass through the person! Guarantee the safety of people!
Let's put it this way, power saving and comfort are at odds with each other. >>>More
One of the bathroom drains is curved, may I ask why, I see that the upstairs and downstairs are straight >>>More
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.