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Welcome at ec4ac!

We - ec4ac - are your professional consulting partner in all technical aspects of high voltage power cables and cable accessories. The abrevation ec4ac stands for Engineering Consultant for Accessories and Cables.

Hich voltage cable terminations with composite insulators in the Alps.


The company ec4ac is focusing on all technical aspects of high voltage power cables and their accessories as cable terminations and cable joints. Our customers are industrial companies, electrical utilities and suppliers of raw materials for power cables and accessories. Located in Switzerland the company offers its expertise for customers all over the world.

Reliability and Responsibility

Reliabilty and responsibility are the most important values in our daily work. We are reliable in our consulting activities, respect the needs of our customers and feel responsible for the result of our work. As a part of the company policy we will spend each year in minimum 5% of our earnings for people in misery all over the world.

Photograph of the Mount Everest in the Himalaya Mountains (Nepal) from the year 2011.