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Company News About Improving Overhead Line Security: The Use of ABC Cables Against Unauthorized Access

Improving Overhead Line Security: The Use of ABC Cables Against Unauthorized Access

2026-04-10

Industry Background

In parts of South America and Africa, expanding power grids are increasingly challenged by illegal connections and power theft. These issues not only affect supply stability but also introduce safety risks, requiring more robust distribution system design.

Limitations of Bare Conductors

Conventional overhead distribution systems often use bare conductors, which are more exposed and easier to tap illegally. In dense or complex environments, they are also more vulnerable to external interference.

Structural Advantages of ABC Cable

Aerial bundled cables (ABC) enhance physical security through their insulated, bundled structure:

XLPE insulation provides electrical isolation
Multi-core configurations (e.g., 2×35 mm², 4×50 mm²) fit various systems
Rated voltage 0.6/1kV suits low-voltage distribution

These features make unauthorized access more difficult.

Application Scenarios

ABC cables are commonly used in:

Dense urban distribution networks
Rural electrification projects
Areas with high risk of unauthorized access

They contribute to improved system safety.

Selection Considerations

Key factors include:

Insulation type (XLPE)
Conductor configuration and size
Voltage rating (0.6/1kV)

Proper selection helps balance safety and cost.

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Improving Overhead Line Security: The Use of ABC Cables Against Unauthorized Access

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Cases

Aerial Bundled Cable

Bare Aluminum Conductor

Concentric Cable

Medium Voltage Cable

Copper Clad Steel Conductor

Bare Conductor