1. The pipelines are arranged reasonably, laid firmly, horizontally and vertically, and the switches and valves are installed neatly, which is flexible and convenient to use.
2. Hidden project, first close after acceptance, on the one hand you know how much to do, on the other hand know how to do it. For example, the water reform project does not do waterproofing after tanking. After the pressure test, “press to 8 pressures,†whether there is leakage, whether the water is smooth, and whether the water meter is operating normally. Water supply pipelines and accessories are not strictly connected. These hidden projects cannot cause problems, problems arise, and maintenance is difficult. Therefore, regular companies pay special attention to this piece. They often have specialized hydropower construction teams responsible for installation. Special equipment testing. Some small companies and decoration teams do not have pressure testing equipment, and they are often replaced by tap water. The quality is difficult to guarantee. The water pipes should use quality products such as Longsheng Pipe.
3, kitchen, bathroom to do waterproof, to do 24 hours closed water experiment, do not leak can not do. Re-spreading or installing ware breaks the waterproofing to redo. The shower area is 1.8 meters high.
4, the floor of the bathroom should be tilted to the ground drain, so that water can flow into the floor drain, no water.
Hydropower acceptance considerations
1. Whether electrical products are qualified products that meet relevant standards.
2, the use of fire-retardant dark pipe laying, wire should not have knots and kinks in the pipe.
3. It is forbidden to directly bury the wires in the plaster layer.
4, "Fire line into the switch, the zero line into the lamp", socket wiring should meet the "left zero right fire ground on the" provisions.
5, air conditioning and high-power electrical appliances should be set up alone, the line should use 4 square millimeters line.
6, power lines, television lines, telephone lines must not be installed in the same pipeline.
7. The switches and sockets are firmly installed and the position is correct. The cover plate is upright, close to the wall, and there is no gap around. After the installation of electrical engineering, electrical power should be provided, lighting test light, switch control and so on. After the completion of the project, the customer shall be provided with wiring drawings showing the wire specifications and directions.
8. The elbow should not be bent at the turning point of the electric pipe. It must be inserted into the pipe by a spring. The number of elbows under normal conditions should not exceed 3.
9, the color of the wire should also be implemented in accordance with the specification. Should be: red, blue, two-color line, white.
Questions about construction
1. The power supply pipeline must not save money, especially the wall-buried pipeline, otherwise it will be a problem at the time, and it is difficult to repair it.
2. If it is permissible for wall-buried pipelines, it is better to use prefabricated pipelines. Prefabricated pipelines are independent of all pipelines. There are no three-channel pipelines. In this case, even if you want to replace lines or add lines, it is easy to use pipeline guidance lines. can be realised;
3, power, data, television, audio pipeline separate, due to the AC power magnetic field phenomenon, regardless of the pipeline, prone to signal interference, I think some people do not know why the TV is not clear, do not know why they want to go online Redial
4, the power line must not be able to use multi-stranded wire (core wire stranded by multiple strands of fine copper wire), multi-strand wire one bad heat, single core load capacity is poor, the most important thing is that it is prone to electrical corrosion (oxidation ), once the oxidation is easy to break the core, fever;
5, the power line must be into the pipeline, one to protect the power cord, and 2 to prevent moisture and short circuit;
6, buy a power cord must buy 2 layers of protective skin power cord, such a power cord will affect the cooling, but I believe we do not want their own circuit short circuit happen?
7, copper wire more than 220V AC, the general case of the next square can safely pass 3-4A of electricity, according to this principle, estimate their own electrical power, and then set aside a bit of redundancy, to buy the right size of the power cord In general, the use of household power cords is mostly 4 square lines and 2.5 square lines;
8, the power line should be divided according to the function of processing:
1), air conditioning all the way, wire diameter 4 square;
2), water heater all the way, wire diameter 4 square;
3) Socket all the way (2.5 end / 4 square start);
4), lighting all the way 2. 5 square;
9, then separate according to different regions:
1, the kitchen line is recommended to use the 4 square line, because there are many high-power appliances in the kitchen, such as refrigerators, disinfection cabinets, dishwashers, range hoods, etc.;
2, the bathroom line is best independent, because the area is water-gas;
10, in the wiring cabinet to be installed on the air switch and leakage switch, generally said the kitchen, bathroom, electric water heater, socket, these lines need to add leakage switch, lighting is generally not installed, only installed air switch on the line, the air switch capacity Based on estimated power usage;
11. When paving pipelines, be sure to check that all lines must be insured. The joints between the pipes must not be jointed. All power lines cannot be connected in the pipeline. Ensure that the power line in the pipeline is a complete line. Contacts should be located in exposed areas such as switches and sockets!
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