Now copper stranded wire is all over the world, because copper price changes at any time, it has a great impact on copper stranded wire. Let's talk about the uses of tinned copper stranded wire in practical applications? The AC grounding system includes working grounding and protective grounding, and the products include grounding copper stranded wire products and tinned copper stranded wire products.
Low-voltage AC grounding protection methods: can be divided into three types: zero-connected system (Tn system), grounded system (T system) and ungrounded system (IT system); DC grounding system: according to the nature and use, the direct grounding system can be divided into three categories There are two types of working grounding and protective grounding.
1. Working grounding is used to protect the normal operation of communication equipment and DC communication power supply equipment;
2. The protective grounding is used to protect people and equipment; the grounding copper stranded wire is used for lightning protection grounding. In the communication bureau, there are usually two kinds of lightning protection grounding:
3. The lightning rod lightning protection grounding device specially designed to protect buildings or antennas from lightning strikes, which is designed and installed by the building.
4. The other is to install lightning arrester and bury tinned copper stranded grounding device in order to prevent lightning strike overvoltage from damaging communication equipment or power supply equipment. For example, the lower line of the high-voltage arrester is connected to the grounding device after being merged.