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It must be slotted, the line is piped, sealed with cement or sticky powder, and then putty is scraped.
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Do you want to go up the line without a suspended ceiling? Depending on the owner's requirements, if it is a family, it should be slotted, and if it is an apartment or company office, it may be possible to use the open line groove directly. Let's talk to the owner.
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No, that's very troublesome, there are those who sell wire ducts, and the needles are on the shed, which is trouble-free and beautiful.
Usually, the wires for switches and lights pass through the ceiling; The wires of the socket run through the floor. If the top surface is not decorated with the ceiling, PVC trunking can be used for wiring. PVC trunking installation is manifested in 4 ways: >>>More
You need to measure it with an electric pen to distinguish which is the "live line" and which is the "zero line". When the electric pen is tested, the light is the live line, and the non-light is the "zero line". >>>More
It depends on your overall perception of the ceiling. If there is no requirement, plastic insulated sheathed wire can be used to lay directly on the ceiling. If you look at the line climbing on the ceiling and look ugly, then there is only slotting. >>>More
Of course, you can, but the roof should be flat, if it is a modern simple line, take the flat line, do not take the European line.
I appreciate your idea of placing a floor lamp on the floor, a TV cabinet with a light upward, and a desk lamp next to the sofa on the wall. >>>More