For the owners of the decoration, choosing the numerous hydropower materials is the first step in the long procurement process. Faced with many materials I do not know where to start? I do not know what to choose when buying accessories? Then we will take a look at the water circuit purchasing strategy to easily figure out the hydropower materials.
Strong electricity
1. Consider the use of electrical power
According to experts, strong electric power should be selected based on the power used by home appliances. In general, there are six or seven strong roads at home, such as lighting lines, socket lines, high-power electronic circuits (cabinet walks alone, disinfection cabinets in the kitchen may go all the way, high-power water heaters in the toilet, etc. also go all the way) In addition, a spare line is also needed to prevent accidents.
Wires currently on the market have 1.5 mm2, 2.5 mm2, 4 mm2, 6 mm2, and 10 mm2 wires. Home life of 2.5 square millimeters and 4 square millimeters of wire is basically sufficient. Visiting the building materials market and supermarkets have seen that wires are sold by meters, but also by whole rolls, such as 20 meters, 50 meters, and 100 meters. In general, the whole price is cheaper than the single purchase price. If a decoration company is chosen, the decoration company usually provides the wires and the corresponding accessories.
2. Accessories emphasis on quality on-demand material selection
Line tube
There are two kinds of materials, one is home-used PVC flame-retardant pipe, one is commonly used in public galvanized iron pipe. The tube is 16 mm thick and is also 20 mm thick. The thickness of the two is different, the key is to see the depth of the wall can be grooved.
Tube card
For fixing the line tube
Junction Box
Junction box, socket box, lamp box and so on.
hose
Used for junction boxes and downlights, plastic or metal materials.
Weak electricity
According to life planning selection specifications, weak electricity includes telephone lines, network cables, cable television lines, audio cables, video cables, and audio cables. Although the specifications are high or low, weak electricity should be selected according to the owner's own life plan to decide whether to choose high-standard products.
TV line
At present, the four-layer shielded coaxial cable is generally selected. The most important thing in selecting the TV line is to see if the cable layer is tight. The closer it is, the better the shielding function is, and the clearer the TV signal is; the thickness of the copper wire can also be seen. The thicker it is, the better its antimagnetic and anti-interference signals are.
Audio line
The common building materials supermarket is 200 core and 300 core lines. In general, 200 cores can meet basic needs. If the sound effects are very demanding, such as abnormal sound, etc., consider the 300-core audio cable.
cable
The sales are generally super five-shielded and unshielded six. The former is a hundred megabit speed, and even if there are multiple computers in the home, it can meet basic needs and the shielding effect is better. The latter is a Gigabit speed and has a poor shielding effect.
telephone line
There are 2 core, 4 core single share telephone lines. The 2-core single share telephone line can meet the general demand, and the 4-core line can meet the needs of installing two different telephone numbers at home. In addition, there are two lines for the 4-core single share telephone line. The other lines are broken and the relative risk is relatively small. Of course, the price difference between the two is about RMB 1/m.
Purchase common sense
There are high and low wire specifications, but depending on the conditions of your choice, it is not as expensive as possible, but also consider longevity. For example, 4 square millimeters of sufficient wires do not need to buy 6 or 10 mm2 wires. However, if telephone lines, network cables and other products are intended to live for a long time, it can foresee changes in future life such as video telephony and other factors, and in conjunction with cost estimates, consider whether one-time placement is in place. If you only live temporarily, you can buy enough products and you don't need to purchase advanced products.
A look two-fold three check
The choice of wire depends on the insulation properties. The first is to see whether the insulation is damaged, whether the thickness is uniform, whether the core is wrapped tightly, etc.; depends on the smoothness of the copper core. Secondly, you can fold the wires by one fold. The stronger the flexibility, the better. Check the inspection report, check the date and other factors. "In general, there are no problems in conformity with the national standards." Experts believe that the purchase of wire products is best to go to the regular stores and supermarkets to buy; it is best to buy brand products; and audio cables, TV lines and other products can be in the purchase of audio and television Buy matching products, more secure.
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