How to choose BV wire?

The choice of wires in home decoration is very important. Its quality has a direct impact on our daily electricity consumption. Among many wire and cable products, BV wires and BVR wires are the two most commonly used wires, so let’s learn together What exactly is the lower BV wire, and how to choose a home improvement wire?

What does the BV line mean?

The BV wire is a single-core wire, that is, a hard wire. It is composed of a copper conductor and polyvinyl chloride. It has a certain strength, is durable, has good electrical conductivity, is not easy to oxidize, and is more resistant to short-circuit current shocks. It has good point-to-point performance. As well as good properties such as high melting point, it is a kind of wire with the best electrical conductivity on the market. It is suitable for use in fixed places. It is more convenient to connect single-core wires when wiring, but the wires are hard, and it is difficult to straighten after bending. Repeated bending-straightening is easy to hurt, and it is mostly used in fixed and buried environments.

What properties should BV wires have?

(1) Flame retardant performance, as the name implies, prevents the flame from spreading, which can make the cable less likely to burn in the event of an electrical fire, reduce the spread of the flame in the case of continuous burning, and naturally extinguish after leaving the fire source;

(2) Fire resistance, part of the performance is similar to flame retardant, but it is more emphasized that it can maintain safe operation for a certain period of time under the condition of flame combustion, and maintain the integrity of the line. It is mostly used in high-rise buildings, underground railways, underground streets, large power stations and important industrial and mining enterprises. and other places related to fire safety and fire rescue;

(3) High temperature resistance means that the wire and cable can work in a high temperature environment and delay the speed of deformation and aging. The rated working temperature of the wire and cable we usually use is generally 70-90 ° C. If it is an ordinary use environment, it is completely competent , but if you want to have a higher temperature resistance level, you need to use high temperature resistant materials to produce wires and cables, such as the newly launched 105 ℃, 125 ℃ new material wires on the market, such products can cope with high loads of household electricity or a temporary short circuit that occurs more easily;

(4) Anti-aging performance refers to the ability of wires and cables to maintain their original performance under the action of mechanical stress, electrical stress, thermal stress and other external factors, which can greatly delay aging and prolong service life . It should be noted that although wires and cables have anti-aging properties, their aging is inevitable. The difference is that the aging speed is different. The better the quality of the wire and cable, the slower the aging speed and the longer the service life. This is why we The reason why you must use products from big brands and regular manufacturers.

Of course, the performance of wire products is far more than those listed. With the increasing complexity of demand and use environment, the home improvement wire industry is also constantly deriving different products to meet different needs and cope with various complex environments. When we choose, we should also combine different needs and situations, and choose the performance type wire products that best match the needs.