What Is The Color Of Twisted Pair Cable?

Jul 20, 2022

There are many kinds of wires and cables on the market today. The wires that ordinary people know may be the common ones, and some people even don't know what wires are, which is not surprising. The colors of wires are also varied. If you are in the wire and cable industry or related industries, you may be able to recognize all kinds of cables. How many colors are there in RVS twisted pair?


The full name of RVS wire is copper core PVC insulated stranded connection flexible wire, twisted multi-stranded flexible wire, referred to as twisted pair wire, commonly known as "flower wire". At this stage, this kind of wire is mostly used in fire protection systems, also called "fire wire ". The wire is also available in flame retardant and fire resistant versions. The letter S stands for twisted pair; the letter R stands for flexible wire; the letter V stands for polyvinyl chloride (insulator)


After we know that the RVS wire is a "flower wire", let's see what colors this wire has! Since it is a "flower wire", there must be many colors! In fact, the common colors are red and blue twisted pair, red and black Twisted pair, red and gray twisted pair. Use different wires according to different usage scenarios.


For example, other types of wires are red, blue, green, black, white, brown, and gray, and the colors are different when they are not used. Red is generally the live wire, blue is the neutral wire, or blue and white is the ground wire. Commonly used; red represents the phase line. It can also be said that the line of fire is charged. Blue represents the zero line. This line is generally uncharged, but there are times when it is charged. That is, when the neutral wire is broken, the wire is live.


So what scenarios can we use the RVS twisted pair cable in! In the text, it is also called "fire line", so this kind of wire is used for the detector line of the automatic fire alarm system. It can also be used in household and decoration, and some household appliances, small power tools, instruments and power lighting can be used. There are also different scenes that we use according to different colors. For example: blue and white cores are used for direct connection to lamp head wires; red and blue cores are used for fire protection, alarm, etc.; red and gray cores are used for broadcasting and telephone lines; red and black cores are used for broadcasting lines.