The Chinese names for YJV, YJY, and VV cables are very similar, and many customers are confused about the differences and don't know how to choose. Reading the following article will help you gain a clearer understanding of these three types.
1. Differences in Names:
YJV stands for Copper Core Cross-Linked Polyethylene Insulated, Polyvinyl Chloride Sheathed Power Cable
YJY stands for Copper Core Cross-Linked Polyethylene Insulated, Polyvinyl Chloride Sheathed Power Cable
VV stands for Copper Core Polyvinyl Chloride Insulated, Polyvinyl Chloride Sheathed Power Cable
A name comparison reveals that YJV and VV cables differ from YJY cables in their outer sheath materials. YJY cables use polyethylene (PE) as their outer sheath material, while YJV and VV cables use polyvinyl chloride (PVC) as their outer sheath material. YJY and YJV cables also differ from VV cables in their insulation materials. YJY and YJV cables use polyethylene (PE) as their insulation layer, while VV cables use polyvinyl chloride (PVC) as their insulation material. (See the table above for details)
VV Cable
II. Application Differences:
Because YJV cables are made of polyvinyl chloride (PVC) outer sheath material, which produces harmful gases when burned, they are not suitable for use in populated areas or enclosed spaces. YJV cables are primarily used in urban underground power grids and power station outlet lines. YJY cables are suitable for use in subway stations, large shopping malls, and other locations. VV cables are suitable for industrial locations with less stringent voltage and temperature requirements.
III. Price Comparison:
The sheath cost of YJY cables is slightly higher than that of YJV cables, so YJY cables of the same specifications are more expensive than YJV cables. VV cables have lower performance than YJV cables, so many other brands of VV cables are priced slightly lower than YJV cables. However, in actual production, Qifan Cable's technicians have found that the cost of small-scale production of VV cables is actually higher than that of large-scale production of YJV cables. Therefore, the prices of Qifan Cable's VV and YJV cables are essentially the same.
VV Cable
IV. Operating Temperature Differences:
The operating temperature of YJY and YJV cable conductors must not exceed 90°C, while the operating temperature of VV cable conductors must not exceed 70°C. The operating ambient temperature of YJV and VV cables is -20°C to +45°C, while the operating ambient temperature of YJY is -40°C to +45°C.
V. Voltage Differences:
VV cables are low-voltage cables and can only be used in low-voltage environments. YJY and YJV cables, on the other hand, are suitable for both low and medium-high voltage applications, thus offering a wider range of applications.
