How Necessary Is Grounding?

2025-11-22

The greatest necessity of grounding lies in protecting the safety of electrical equipment and personnel. In industrial production, electrical equipment is prone to electrification of the shell due to aging of the insulation layer, damage to the circuit, or lightning strikes. If effective grounding measures are not taken, the ground voltage of the equipment shell will quickly rise to 220V or even higher. Once someone comes into contact, the current will be introduced into the earth through the human body, causing an electric shock accident. According to statistics from the International Electrotechnical Commission, more than 85% of industrial electric shock accidents caused by equipment leakage worldwide every year are caused by the lack or failure of the grounding system. The reliable grounding system can quickly introduce the leakage current of the equipment shell into the ground, control the ground voltage of the shell within a safe range, and fundamentally eliminate the risk of electric shock. Our preformed grounding wire adopts a multi-strand soft copper wire stranded structure with excellent electrical conductivity. At the same time, the insulating skin of the preformed grounding wire is made of aging-resistant insulating materials, which can easily pass the weather resistance test without cracking. Even in high temperature and humid industrial environments, it can maintain stable insulation properties and play a role in the safety of equipment and personnel.


Another necessity of grounding is to protect electrical equipment from lightning strikes and overvoltage damage. In multi-mine areas or high-voltage power supply systems, lightning strikes or power grid fluctuations will produce instantaneous overvoltage. If it is not released through the grounding system, the overvoltage will penetrate the insulation layer of the equipment, causing precision equipment such as frequency converters, PLCs, and servers to burn down. Taking a data center as an example, an overvoltage accident caused by a lightning strike will not only cause millions of dollars in equipment losses, but also lead to data loss and bring irreparable losses to the enterprise. Our preformed grounding wire is aimed at the needs of overvoltage protection and is made of high-conductivity copper wire, which can quickly channel instantaneous overvoltage current. At the same time, the ground terminal equipped with the preformed grounding wire has a small contact resistance, and the current transmission is smooth and unhindered.


preformed grounding wire


In addition, grounding can also ensure the stable operation of the power system and reduce the impact of electromagnetic interference on the equipment. In industrial production, harmonic currents are generated when equipment such as motors and frequency converters are running. If they are not suppressed by the grounding system, the harmonics will interfere with the voltage of the power grid, causing unstable equipment operation and affecting product quality. For example, in an auto parts processing workshop, harmonic interference can cause the accuracy of CNC machine tools to decrease and product size deviations to occur. In a communication base station, harmonic interference will affect the signal transmission quality and cause the call to be interrupted. Our preformed grounding wire adopts a shielding structure design, and a layer of aluminum foil shielding layer is wrapped in the outer layer of the copper wire, which can effectively suppress harmonic current and electromagnetic interference. The shielding efficiency is high, which can stabilize the voltage of the power grid and the operation of the equipment is not disturbed.


For B-side buyers, choosing preformed grounding wire is not only to choose a single product, but also to choose a complete quality assurance and service system. Our preformed grounding wire can not only meet various needs such as equipment safety, overvoltage protection, and electromagnetic interference suppression, but also reduce procurement and operation and maintenance costs for customers through the whole process of quality assurance and service support. If you are looking for a suitable preformed grounding wire for an industrial project, please feel free to contact us!

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