In road, rail, utility or pedestrian tunnels, a smooth flow of power and data is essential. Our cable management systems guarantee safe power routing - even where the ground, track network, bridges, and tunnel systems are shaken by trains constantly entering and leaving. With our many years of experience, we can meet the high fire protection requirements in particular. PUK systems are extremely resilient and specially designed to meet the high demands placed on the electrotechnical infrastructure in traffic and transportation. Our tested cable trays, wire-mesh cable trays, vertical ladders, and wide-span systems meet the normative fire protection criteria and guarantee the highest product quality under extreme requirements such as corrosion, soiling, or vibrations.