Accident hazards caused by improper selection of wires and cables in the industry
Release time:
2023-07-31
It is understood that wire and cable users' desire for cheap product prices and improper selection are the main reasons for electricity accidents and waste. The desire for cheap wires and cables is a common misconception among a considerable number of users, and even some enterprises, when using wires and cables. Some users, in order to save money and neglect safety, choose inferior wires and cables with low prices, poor quality, and high accident risks.
It is understood that wire and cable users' desire for cheap product prices and improper selection are the main reasons for electricity accidents and waste.
The desire for cheap wires and cables is a common misconception among a considerable number of users, and even some enterprises, when using wires and cables. Some users, in order to save money and neglect safety, choose inferior wires and cables with low prices, poor quality, and high accident risks.
We know that due to the safety of wires and cables and other factors, the prices of wires and cables cannot meet the requirements of some users. However, some individual and private enterprises are unable to manufacture wires and cables that meet national standards in terms of material selection, production processes, testing methods, and other aspects. Their safety will not be guaranteed, and in addition, they are flooding the market with low prices to cater to some users.
Some users have insufficient understanding of their electrical usage requirements and environmental conditions, and often choose the wrong model due to insufficient understanding of the scope, requirements, and performance of wire and cable models.
For example, the slag truck in front of a steelmaking plant's furnace is powered by an electric motor, and the temperature in front of the furnace can reach as high as 800 ℃ to 900 ℃. In such environmental conditions, due to the plant's special requirements for wires and cables, they choose the general rubber sheathed flexible cable filled with YC type, resulting in a short service time and scorched sheath. After consulting, we selected fire-resistant and flame-retardant cables to reduce the pain and economic losses of cable replacement, ensuring the normal production of the enterprise.
Some important departments, high-rise buildings, computing centers, chemical engineering, public entertainment venues, and places with concentrated personnel must use flame-retardant or fire-resistant cables with fire protection functions; The Ministry of Coal stipulates that cables used in deep coal mines must have flame retardancy; There are also special performance requirements for elevator cables, welding machine cables, and motor leads.
In practical use, some enterprises, especially individual enterprises, often have insufficient understanding of these special wires and cables with special requirements and refuse to use them; Some companies ignore the requirement of the Ministry of Coal that cables used in deep coal mines must have flame retardancy, and instead purchase general purpose rubber sheathed flexible cables; There are also some karaoke halls and crowded places where general wires and cables without fire protection functions are installed, causing great accident hazards.
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