There are many places where water and electricity will be designed and installed. The general building will have this design. However, there are many methods for water and electricity installation, so the price will be different, but there are many places to install water and electricity. Need to pay attention to, then how much is the installation price of water and electricity? What are the precautions for water and electricity installation? If you want to know, let's take a look at the small series of decoration home network.
First, the installation price of water and electricity
1, 20PP-R water pipe (concealed): 60 yuan / m b.20PP-R water pipe (surface mounted): 45 yuan / m c. water installation (50PVC pipe): 60 yuan / m PS: PP-R The tube is Weixing or Jinde tube. There shall be no more than 3 threads in the flame-retardant electrician tube, such as more than 3 yuan per meter plus 5 yuan. There is no connector in the tube, and a junction box is used at the branch line.
2. Each meter has one equal diameter and one different diameter sleeve, and one 90 degree elbow. 2, without valve hardware 3, 25 water pipes per meter plus 10 yuan 4 less than one meter by one meter count 5, punching and other charges, load-bearing wall 40 yuan / month, non-bearing wall 20 yuan / 6 PP-R tube Both are 2.8 hot water pipes. 7 The water pipe is calculated according to 50 and is negotiated by more than 50.
Second, water and electricity installation precautions
1. First remove the wire drawn from the box out of the maintenance length (15-20CM) and cut off the insulation layer. Be careful not to damage the core. For example, the switch and the socket are connected to the terminal, and the wire is wound clockwise in the switch. Screw the socket on the corresponding post on the socket. For example, if the switch and the socket are plugged into the terminal, insert the core back into the round hole terminal (when the hole is allowed to press the double wire), and then press it with the top wire. Note that the core should not be exposed.
2. When the pressure test is performed, the pressure of the press machine must reach 0.6 or more, waiting for 20-30 minutes or more. If the position of the pointer of the pressure gauge does not change, it means that the installed water pipe is sealed, and the groove can be sealed with confidence. After the water pipe is installed, the pipe head should be blocked immediately with a pipe plug. If there is any debris falling in, it will be troublesome!
3. In the home decoration, the water pipe does not go to the ground, because the water pipe is installed on the ground, to withstand the pressure of the tiles and people on it, there is a danger of cracking the water pipe. In addition, the advantage of the top is that it is convenient to overhaul. Oh, the price is very high, and the average person does not use it.
4. In order to avoid the interference of the AC power supply to the TV signal, there should be a distance of more than 0.5m between the TV feeder line pipe and the socket and the AC power line pipe and the socket. (In special cases, the TV signal cable should be shielded cable, and the spacing should not be low. In a wet place such as a bathroom kitchen, a well-sealed waterproof and moisture-proof socket should be used.
Hydropower installation has different prices, so its installation is also different, then the installation price of water and electricity is generally different from its installation precautions. Through the introduction of the above small series, everyone knows about these, then if you still For more information on decoration, please continue to pay attention to the decoration home Internet cafe.
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