Many owners have high requirements for their own electricity during the renovation. Usually, whether it is a decoration company or a bulk guerrilla group, it is similar in terms of decoration electricity:
1.5 squares for lighting
2.5 squares for ordinary socket
4 squares for kitchen appliances and bathroom outlets
6 square meters for air conditioning line and Yuba socket
However, the owner only knows that the larger the square of the line, the better, like a water pipe. If the pipe diameter is large, it will not be easy to block... For the professional, the owner has such an idea to understand, because the customer does not know the square of each wire. Security in the traffic algorithm.
Of course, the bigger the line is, the safer it is, the safer it is, but it is very troublesome for the construction workers. For example, some customers require lighting of 2.5 square meters, ordinary sockets are 4 square meters, kitchen and bathroom, air conditioners use 6 square meters, the owners will It is safe to say that, and my heart is solid.
With this configuration, the decoration price will not only rise, but the difficulty factor for workers' construction will also increase. The larger the square, the larger the area occupied by the bottom box of the socket. The single-strand copper core wire used in many places is wired in the bottom box. Not so good, sometimes even the panel can not be installed. Therefore, it is recommended to carefully calculate the power of the household appliances when decorating, and it is better to match the line.
Calculation method:
The safe current carrying capacity per square (cross-sectional area of ​​the wire) is 8 amps (typically 5-8 amps for copper core wire). The rated voltage of our electricity in China is 220V. The safe current carrying capacity is multiplied by the rated voltage. Electric power is: 8AX220V=1760W
Then the power of 1.5 square wire is 1.5X8=12A, 12AX220V=2640W. Can your home lighting achieve this number? The same reason: 2.5X8=20A, 20AX220V=4400W
4X8=32A, 32AX220V=7040W
6X8=48A, 48AX220=10560W
With these, do you still use the level?
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