About us


NKT AB, Falun

Our production plant in Falun focuses on production of building wires, 1kV cables, medium and high voltage cables up to 170 kV with accessories. We also manufacture cables for the telecommunications industry.

The company was founded in 1888 as Sieverts Kabelverk, later a part of  Ericsson AB and since 2013 a part of the NKT group. In 1971 the power cable production was moved from Stockholm to Falun where we today  design and manufacture building wires, 1kV cables, medium and high voltage cables up to 170 kV and cables for the telecommunication industry. Our state of the art development and testing facility ensures that we meet our customers’ demands in the best possible way. Regardless if you are searching for a standard cable or a special solution customized to your needs.

This makes us truly local in understanding your demands and easy to contact but global in our possibilities to fulfill your needs.

NKT HV Cables AB, Karlskrona

Dating back to the start of cable production in 1883 by Liljeholmens Fuse factory, our manufacturing facility in Karlskrona has an extensive experience in high voltage cables. It is a center-of-excellence for production, installation and service of high voltage cables in both AC and DC for submarine and underground applications.

Through the years, several world-record cables have been delivered and successfully installed and we are committed to a constant focus on research and development to deliver innovative and responsible products and solutions.

In 1992 the unit moved to Karlskrona in the southern part of Sweden and was acquired by NKT in 2017.

NKT HV Cables AB, Alingsås

Our production plant in Alingsås manufacture AC cable accessories from 1 kV up to 420 kV and accessories for extruded HVDC cables.

Founded in 1888 as Sieverts Kabelverk, later on part of L. M. Ericsson and ABB, and now since 2017 a part of NKT.

 In 1956 the manufacturing was moved to Alingsås and since then a dedicated plant for cable accessories suitable for safe and easy connection of distribution and transmission applications.

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