Mr. Zhao, who had just bought a house in Guanzhuang, had moved into his new home for a while. However, the phone at home suddenly took off. When a phone call made a loud noise, it was unbearable. Originally thought to be a problem with telecommunications here, but the people in the telecommunications sector came to a test. The phone line that had been buried under the floor tiles had problems. To fix it, you had to use a floor tile. Mr. Zhao was afraid to think of such a big project. In the end, he could only give up the telephone line.
Audiovisual room line must be professionally designed
· Prevent hazards: pipeline drawings to be retained
At present, in home renovations, water pipes, wires, telephone lines, cable TV lines, etc. are generally not buried under the floor, they are buried in walls, covered with cement, and then surface decoration. This totally enclosed method has caused a lot of hidden dangers and has also brought great obstacles to the maintenance of pipelines in the future.
In fact, even in the commodity housing building books, the introduction of similar concealed projects such as electrical lines is mostly scarce. The owners cannot obtain a complete diagram of the electric circuit when purchasing a house, and they do not know the wiring of the house during the renovation process. Situation, the knowledge of safe power and wiring in the decoration process can be said to be blank. Therefore, keeping a complete pipeline trend drawing is a prerequisite for avoiding problems and solving problems in the future, otherwise it is impossible to start.
At the same time, it must be noted that construction personnel should hold electricians issued by the relevant state departments and prevent the occurrence of unlicensed construction.
·Renovation: Replace the aluminum wire in the old house decoration
Experts said that if the public renovated the old house, the original aluminum wire must be replaced with copper wire. Because the aluminum wire is easily oxidized, its connector can easily catch fire. According to the survey, the incidence of electrical fires using aluminum wire is several dozen times that of copper wires. If only the switch and outlet are changed, it will bury potential safety hazards for the residents in the future.
In addition, a sufficient number of loops is essential for modern home life. With enough loops, a short circuit or other problem on one line will not affect the normal operation of other circuits. According to the area of ​​use, lighting circuit can choose two or three way, power socket three to four way, kitchen and bathroom go all the way, air-conditioning circuit two to three roads, one air-conditioning loop with up to two air conditioners.
Good to know: wiring
In order to be beautiful and easy to check and replace, slotting and dark pipe laying are generally used. During the wiring process, the principle of "fire line into switch, zero line into the lamp head" should be followed.
·Leakage Protection
In addition to air conditioning power outlets, other power outlet circuits should be equipped with leakage protection devices.
Number of outlets
The number and variety of electrical appliances in each household is increasing, and many households use pull-out socket boards to meet their electricity needs while ignoring security factors. Due to the accidental electrical shock and electrical fire accidents often caused by the temporary line in the room, it is important to remember that the socket board can only be used temporarily.
When decorating, you should consider increasing the number of fixed sockets in the wall. It is recommended to refer to the Hong Kong standard: 4 bedrooms per room, a group of 2.5 square meters in the living room, and a kitchen of 1.2 square meters.
·Socket type
In order to prevent children from getting an electric shock, a safety socket with a safety cover should be used; refrigerators and air conditioners should use separate, protective grounded three-eye sockets; the bathroom should be damp, and ordinary outlets should not be installed but splash-proof sockets should be used.
·Installation location
Generally, the switch is 1.2-1.4 meters away from the ground, and the horizontal distance from the door frame is 0.15-0.2 meters. The height of the same room switch should be the same; the surface mounted socket should not be less than 1.8 meters from the ground, and the concealed socket should be 0.3 meters away from the ground. Of course, the specific installation location has to be determined by the placement of furniture and electrical appliances.
· Installation method
Single-phase two-eye socket wiring requirements are: "zero left and right fire" when horizontally arranged, and "zero under fired" when vertically arranged; the zero line of three-eye socket and protective grounding wire must not be wrongly connected.
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