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Industry News
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Summary of various specifications and models of cables
Cable model1. Category: H - Urban Communication Cable HP - Distribution Cable HJ - Local Cable2. Insulation: Y - solid polyolefin insulation YF - foam polyolefin insulation YP - foam/solid leather polyolefin insulation3. Inner protective layer:...
Dec. 06. 2024 -
Testing items and methods for wires and cables
The rapid development of the power industry is an important guarantee for a country's economic development, and wires and cables are essential products in the process of power construction. At present, China's wire and cable industry has risen to bec...
Dec. 06. 2024 -
What are the maximum allowable temperature requirements for various types of wires and cables？
PVC insulated wires and cables models: BV, BVR, BVV, RV, RVV, VV, VLV, etcTemperature requirements:1. Working temperature: The maximum rated working temperature of the cable conductor is 70 ℃.2. Laying temperature: The cable laying temperature shall ...
Dec. 06. 2024 -
Characteristics and application scenarios of fire-resistant and flame-retardant cables
1. NH-YJV: Fire resistant cross-linked polyethylene insulated, polyvinyl chloride sheathed power cableIt can be laid indoors, in tunnels, and in pipelines, and can withstand certain laying traction, but the cable cannot withstand external forces. Sin...
Dec. 06. 2024 -
5 reasons that can easily cause cable failures
1. Chemical corrosion. This is closely related to the soil in the area where the cable is buried. If the cable is directly buried in an area with acid-base effects, the protective layer will be chemically corroded by acid-base reactions. After a peri...
Nov. 14. 2024 -
How to choose home installation wires？
1、 Should the cross-sectional area of all wires be selected as 2.5mm2 or 1.5mm2? Answer: Nowadays, buildings are generally divided into three power distribution lines. 1. The main line of the kitchen and bathroom should not be less than 6 square mill...
Nov. 20. 2024 -
Why does copper wire have better fire resistance than aluminum wire?
Why does copper wire have better fire resistance than aluminum wire? Copper wire has been used in power supply systems for over a hundred years, while aluminum wire was not widely used until the mid-20th century. Although aluminum wire is cheaper tha...
Dec. 06. 2024 -
What are the factors that affect cable performance？
Generally, cable manufacturers strictly produce according to standards to ensure product quality, but there are still some factors that affect the performance of cables. Let me introduce them to you.1. Water: Moisture in twisted pair cables in a loca...
Dec. 06. 2024