High Voltage Cable Accessories

For cable solutions, up to 550 kV voltage range

Cable workers installing a termination

Innovative accessories

Our accessories have been developed in collaboration with our customers to fulfil their exact and specific needs

NKT is a global front-line supplier to the energy sector. We develop, manufacture and market high-quality cables and solutions.

All of our high voltage cable accessories are developed by our R&D-department, taking into account specific customer needs as well as national and international standards in the development and manufacturing of customised solutions.

All materials are subject of intensive quality control procedures. Our production and testing equipment guarantees the highest level of quality. The entire product range is type-tested in accordance with international standards.

Transformer station in the Tyrol

A Wide Range of Cable Accessories

We offer accessories for all applications in the voltage range up to 550 kV, optionally also as a modular component system. Our solutions include various technical versions of accessory systems such as connector technology, dry-type technology and conventional technology with oil insulation.

The range of cable accessories covers following applications:

  • Self-supporting outdoor terminations, porcelain or composite
  • Flexible outdoor terminations
  • Terminations for gas-insulated switchgear
  • Transformer terminations
  • Straight-through joints
  • Insulation joints / cross-bonding joints
  • Transition joints, XLPE-insulated / oil-filled cables
  • Products for the connection/installation of low-pressure oil-filled cables, 36 kV – 170 kV

Find the right accessories product for you

Learn more about our versatile range

High Voltage Joints

NKT offers a complete range up to 550 kV of one-piece and three-piece joint types suitable for straight-bonded and cross-bonded applications for XLPE and EPR cables.

High Voltage Terminations

NKT feature a complete range of dry and oil-filled outdoor, GIS and transformer terminations. Outdoor insulators made of porcelain or composite type, as well as complete dry-type termination.


We offer a full range of cable accessories for LPOF cables up to 170 kV. We develop customised LPOF solutions for repairs or for use as a transition joint for a new XLPE cable.

NKT Contacts

Find here the right contact person for your region.

Turnkey high voltage cable installation offshore at Kriegers Flak

Products & Solutions

High Voltage Cable Solutions

High voltage solutions through extensive product range and customized offers.

Installer laying a cable

Products & Solutions

Products & Solutions

NKT supplies the whole energy transmission market.

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