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What do you usually do in water and electricity installation?
1, wiring principle: horizontal and vertical. Use special Cai Zhong PVC flame retardant conduit. The catheter must be fixed in the catheter. When the catheter is connected with the catheter, the locking nut should be used. A pipe clamp should be used for straight pipes every 80 cm and corners every 20 cm.
2. The socket is on the upper part of the wall, and the wall is vertically slotted upward to install decorative corner lines at the top of the wall. If it is in the lower part of the wall, the socket should be slotted vertically downward to the bottom of the skirting board, and the depth of the slot should be consistent. Grooved lines and tops should be ejected from the wall first, then cut the wall with a cutting machine and slotted with a machine.
3. When using Cai Zhong PVC pipes, we now use springs to bend them instead of 90-degree elbows and tees (at this point, we basically have no such situation at present). When installing the line, it is necessary to add a protective line sleeve and connect it with glue. The edge of the sleeve should be close, straight and smooth. At the right-angle corner, it should be cut at the inner side of the corner, and one side of the cut should be cut into circular seams, and then it should be bent and installed.
4. Pipe thread depth is moderate, without burr. Wrap the joint of the pipeline with raw material tape for 5 -6 times, and the number of winding teeth of the pipeline is 5-6, until the joint is tightened, and rotten teeth are not allowed to be inserted into the pipe.
5, wire into the casing, wire fixing tools should be used, first fixed on the wall and inside the wall, and then plaster hidden.
6. It is forbidden to directly lay the conduit under the composite plate. At this point, we haven't done a good job at present, and we will communicate with our customers in the future. The composite floor must be slotted. The conduit under the solid wood floor must be reinforced.
7. It is forbidden to lay the catheter in the kitchen and bathroom floor to prevent water from infiltrating into the catheter. There must be no conduit on the floor of the bathroom, which must be strengthened.
8. The wires passing through the conduit shall not be greater than 40% of the hole area of the conduit, and the wires in the conduit shall not have joints. It is forbidden to mix wires with different purposes in one conduit.
9. When the wire enters the box, make sure it has a certain length, which is 10 ~ 15cm, and the audio is 100cm. When installing and maintaining switches and sockets, please put on hoses.
10. The distance between the water filling pipe and the wall should be 1.5cm, and the left side is hot and the right side is cold, and the distance is 15cm.
1 1. The parallel distance between wires and water pipes should not be less than 30cm, and the crossing distance should not be less than 10cm.
12, there can be no joint between wire points, and the hidden wires in the ceiling must be protected with flame retardant pipes.
13, after the acceptance of water and electricity, the trunking can be leveled, and the wall slot should be filled with 1: 3 cement mortar (the wall should be leveled twice).
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