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Wires must be cross-sectioned with copper wire
If you are decorating an old house, the original aluminum wire must be replaced with a copper wire. Because the aluminum wire is easily oxidized, the joint may easily catch fire. There have been investigations showing that the incidence of electrical fires in households using aluminum wire is several times that of copper wire.
The cross section of the conductor is also clearly specified in the national residential design code: the branch circuit should not be less than 2.5 square centimeters in cross section; high-power electrical appliances such as air conditioners should have a separate circuit with a cross section of not less than 4 square centimeters.
Considering that the types and quantity of electrical appliances in kitchens and bathrooms may increase in the future, they should also be wired in advance with 4 square centimeters of wires.
At least four loops of leakage protection cannot be ignored
In the past, there was only one circuit in the house. This was neither convenient nor safe. Any circuit was short-circuited and the entire room was paralyzed. Therefore, enough loops are essential for modern families. Depending on the area of ​​use of the room, 23 circuits can be selected for the lighting circuit, 23 circuits for the power socket, and one path for the kitchen and the bathroom. A circuit can be used for air conditioning.
In order to be beautiful and easy to check and replace, the average family uses slotted burying and dark pipe laying. It is worth noting that during the wiring process, the principle of “hot line enter switch, zero line enter lamp†should be followed, and a leakage protection device should be set on the power socket.
Install enough sockets to avoid pulling wires
Because there are not enough outlets, many homes use patch panels at home to meet their electricity needs. However, according to experts, if an unqualified patch panel is used indoors, it can easily cause personal electric shock and electrical fire. Therefore, setting a sufficient number of outlets during the renovation can avoid the trouble of pulling wires. Experts suggest that it is best to install 4 sets of sockets in the bedroom, a group of 2.5 square meters in the living room, a kitchen of 1.2 square meters, and air conditioners, exhaust fans, washing machines, etc. should use special sockets.
Buy the wire to the formal market
The quality of the wire relates to the safety of the entire electrical wiring. Insulators used for some inferior conductors are recycled plastics, which have dull shades, loose texture, poor insulation, and are prone to ageing or breakdown by voltage, causing short circuits and fires. Some of the copper in the copper core contains impurities and the conductivity is not as good as that of the iron wire, which easily causes electrical accidents. The qualified product should be made of high-purity copper as the copper core, and the outer insulation material is uniform and flexible. Experts suggest that we must go to the formal market to buy qualified products.
New home wiring problems do not figure cheap
At present, the cost of building a house is at least 10,000 yuan. Many owners don't hesitate to spend money in places they can see. However, many irresponsible construction teams are likely to “save†their expenses on concealed projects. Unimaginable consequences. Therefore, experts in the industry have warned you that when choosing the configuration of electrical circuits, do not plan to be cheap and easy to do, and be sure to do a project that meets the specifications. The one-time investment is the electrical safety for decades of life.