Looking back through the Ceneri base tunnel.

To many people, overhead lines seem like a relic of a bygone era. Yet even today, they remain an important part of Switzerland's telecommunications infrastructure.

For nine years, cablex has been renewing the Northern Bypass of Zurich — night after night, section by section. A look into the Honeret section.

Bubenholz tunnel: cablex modernises the lighting in parallel with live operations – no disruption, future-proof ahead of the 2030 refurbishment.

cablex is turning the tables: instead of laying new lines, our teams are pulling old copper cables out of the ground throughout Switzerland.

cablex celebrates 25 years of innovation, expertise and strong partnerships. Thank you for your trust!

The extensive installation of 198 solar panels on the WMO building in Geneva offers a capacity of 92 kilowatts and contributes to a sustainable power supply.

Starting a career not only brings new opportunities and prospects, but also responsibility. Safety is a key issue, particularly in network construction and when working with electricity.