A large-scale wire and cable enterprise group integrating manufacturing, sales, design and research and development.
INQUIRY NOW
A large cale wire and cable enterprise group integrating manufacturing,sales, design and research and development.
INQUIRY NOWJune 26, 2025
As a trusted cable manufacturer with decades of experience, Shenxing Cable Group is committed to delivering reliable, certified, and innovative power cable solutions for a wide range of industrial and infrastructure applications.
In this article, we explore the key differences between High Voltage (HV) and Low Voltage (LV) cables — helping customers choose the right cable for their projects while highlighting our technical expertise in both categories.
What Are High Voltage (HV) Cables?
High Voltage cables are designed to transmit electricity at voltages typically ranging from 35kV up to 500kV or more. These cables are primarily used in power transmission systems, large-scale industrial applications, and utility grid networks.
Key Features of HV Cables:
Voltage Rating: Above 35kV
Conductor Material: Usually copper or aluminum
Insulation: XLPE (Cross-linked Polyethylene), EPR, or oil-impregnated paper
Shielding & Armoring: To handle electromagnetic interference and mechanical stress
Applications: Power plants, substations, long-distance transmission, renewable energy projects
What Are Low Voltage (LV) Cables?
Low Voltage cables are used for voltages up to 1kV (typically 0.6/1kV). They are commonly found in residential buildings, commercial facilities, and industrial control systems.
Key Features of LV Cables:
Voltage Rating: 0.6/1kV
Condutor: Copper or aluminum
Insulation: PVC, XLPE
Outer Sheath: PVC, LSZH (Low Smoke Zero Halogen) available
Applications: Power distribution, lighting, internal wiring, control panels
| Feature | High Voltage Cable | Low Voltage Cable |
| Voltage Range | 35kV and above | Up to 1kV |
| Insulation Material | XLPE, oil-paper, EPR | PVC, XLPE |
| Conductor Size | Larger (to reduce resistance) | Smaller (lower current loads) |
| Installation Location | Underground, overhead, substations | Buildings, control systems |
| Safety Requirements | Higher (due to voltage intensity) | Standard safety compliance |
| Maintenance | Specialized monitoring required | Relatively easy maintenance |
Why choose Shenxing Cable's high-voltage and low-voltage cables?
Faster delivery: Through efficient production scheduling and inventory system, our delivery cycle can be more than 3 days earlier than the industry average, helping customers' projects to advance as scheduled.
High product consistency: Adopting standardized production processes and strict quality control to ensure no performance differences between different batches, and stable and reliable quality.
Authoritative testing guarantee: Equipped with its own testing laboratory, the full-process quality control system is recognized by national and international certification agencies, and the data is authentic and traceable.
Flexible customization + fast response: Supporting all-round customization services from structural design to material selection, while maintaining fast delivery capabilities to meet personalized project needs.
Global logistics advantages: Familiar with major global ports and international transportation regulations, tailor-made safe, efficient and cost-effective logistics solutions for customers to reduce overall costs.
Please contact us now. Our product quality and professional services will save more costs for your cable business and increase more customer praise. Shenxing Cable Group is very willing to cooperate with tasteful companies for a long time, achieve mutual benefit and win-win results, and work hard for the world's energy.
Official Website: www.sxcables.com
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