How to choose home decoration wire and cable?

1. Wire surface marking: According to the national standard, the surface of the wire should have a continuous sign of the manufacturer's name, product model, and rated voltage. This helps to find the factory in time when problems occur during the use of the wire. Consumers must pay attention to this when purchasing wires. At the same time, consumers should pay attention to whether the manufacturer's name, product model, and rated voltage on the certificate are the same as those on the surface of the wire when purchasing the wire, and prevent the counterfeit product.

2, the appearance of the wire: Consumers should pay attention to the appearance of the wire should be smooth and smooth, no damage to the insulation and sheath layer, the logo printing is clear, no oily touch when touching the wire. From the perspective of the cross section of the wire, the thickness of the insulating or sheathing on the entire circumference of the wire should be uniform and should not be eccentric. The insulation or sheath should have a certain thickness.

3, conductor diameter: consumers in the purchase of wire should pay attention to whether the diameter of the conductor and the certificate shown in the cross-section, if the cross-section of the conductor is too small, easy to cause short-circuit wire heating. It is recommended to use 1.5 mm2 and above for home lighting circuit wires; for home appliances such as air conditioners and microwave ovens, use wires with a size of 2.5 mm2 and above.

4, the use of norms: should standard wiring, fixed line is best to use BV single-core wire to wear the pipe, pay attention to the wiring do not touch the bad wire, do not touch the wire in the room decoration, in the middle of a route does not connector, wire access Do not touch the wire when it is in the electrical box.

The 11.5mm2 wire is used to run the lamp wire, 2.5mm2 wire is used for the switch socket, 4mm2 wire is used for high-power electrical appliances such as the entrance line and air conditioner, and the double-color ground wire is used for the leakage protection of the electrical equipment.

2 or more is only the recommended amount of 100mm2 house, the actual amount should be adjusted according to the size of the housing area and the number of lamps, electrical appliances, sockets, air conditioning.

3 At present, new home improvement equipment generally uses copper core single-stranded wire or copper core multi-strand wire (consistent with copper core single stranded wire). Casings are laid in the wall; sheathing wires are generally laid outside the wall and are now mostly used in rural areas or are old. Room decoration, new home decoration is now less used sheath line.

4 Tip: To buy and purchase other decoration materials, there is an important principle: less should not be more - buy less can be bought again, buy more but it is easy to waste money.