Boddingtons Electrical Insulated Nylon Cable Core Wedges with Grooves

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Cable core wedges are components used in the construction and installation of cables, particularly in power cables. These wedges play a crucial role in maintaining the structural integrity and performance of the cable.

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SKU Length (mm) Width (mm) Nominal Lift (mm) Pack Size Weight
Thumbnail 110-1NYC 150 25 15 10 41
Thumbnail 110-2NYC 225 25 25 10 65
Thumbnail 110-3NYC 225 25 38 10 89
Thumbnail 110-4NYC 150 13 25 10 32

Here’s a detailed overview of cable core wedges:

What are Cable Core Wedges?

Cable core wedges are typically small, wedge-shaped devices inserted into the core of a cable. They are used to ensure that the individual conductors within the cable are held in place and remain evenly spaced. This helps to maintain the cable’s round shape and ensures consistent performance.

Functions of Cable Core Wedges

  1. Maintaining Conductor Position: They keep the conductors in their designated positions within the cable, preventing them from shifting.
  2. Shape Retention: By maintaining the correct spacing of conductors, wedges help the cable retain its round shape, which is crucial for uniform insulation and effective shielding.
  3. Mechanical Stability: They provide additional mechanical stability to the cable, helping it withstand bending and twisting during installation and operation.
  4. Reducing Stress: By evenly distributing the mechanical stress, wedges help prevent damage to the conductors and insulation layers.


Cable core wedges are used in a variety of cable types, including:

  • High-Voltage Power Cables: To maintain the spacing and positioning of conductors in large and heavy-duty cables.
  • Medium-Voltage Cables: For improved mechanical stability and shape retention.
  • Specialty Cables: In applications where precise conductor positioning is crucial for performance.

Importance in Cable Performance

  • Electrical Performance: Proper spacing and positioning of conductors ensure optimal electrical performance and reduce the risk of faults or short circuits.
  • Durability: Wedges enhance the cable’s ability to withstand mechanical stresses, thereby extending its lifespan.
  • Ease of Installation: By maintaining the cable’s shape and stability, wedges make the installation process smoother and reduce the risk of damage during handling.

Installation Process

The installation of cable core wedges typically involves the following steps:

  1. Preparation: The cable is stripped to expose the conductors.
  2. Insertion: Wedges are inserted between the conductors at regular intervals along the cable’s length.
  3. Securing: The wedges are secured in place, ensuring they grip the conductors firmly.
  4. Assembly: The cable is reassembled with insulation and outer jackets applied as needed.

In summary, cable core wedges are essential components that enhance the performance and durability of electrical cables by maintaining conductor positioning, ensuring shape retention, and providing mechanical stability. Their use is critical in high-performance and high-reliability cable applications.

    • Weight
      41 g
    • SKU
    • EAN
    • HS Commodity Codes
  • Type Of Insulating
    Insulating Hand Tool
  • Type Of Product
    Cable Core Wedges
  • Standard
    Non-Conductive Material
  • Insulation Testing
    Not Applicable
  • Manufacturer
    Boddingtons Electrical Ltd is a subsidiary of the SICAME Group
  • Country of Origin
    United Kingdom
  • Length (mm)
    150, 225
  • Width (mm)
    13, 25
  • Nominal Lift (mm)
    15, 25, 38
  • Pack Size
    10, Each