Cable conduits
Secure infrastructure for energy and communication
Cable conduits||from Noris Plastic

Safe, flexible, durable – protective tubes from Noris Plastic
Whether for power lines or modern telecommunications networks – cable conduits from Noris Plastic offer the necessary safety, durability and flexibility for a wide variety of installation methods. Manufactured in Germany, our products meet the highest quality and material standards and impress with their precise production, weather-resistant properties and customizable designs.
Our cable protection systems made of HDPE, PP or PVC are available as solid-wall or multilayer pipes and are a reliable choice for network operators as well as civil engineering companies, energy suppliers and cities.
Precision in development and production
From design to production, we offer you sophisticated solutions for your cable infrastructure. Thanks to our in-house toolmaking department, we can develop extrusion tools to meet your exact requirements – including cost-effective implementation for special cross-sections and series production.
Your advantages with Noris Plastic:
- Wide range of materials: HDPE, PP, PVC (new or recycled)
- Flexible production: Solid wall or multilayer pipes
- Low-friction inner ribbing for better drawing-in and blowing-in properties
- RAL colors available, with strip marking on request
Production exclusively in Germany
Technical versions and delivery options
Our protective conduits meet the highest technical standards – manufactured in accordance with DIN 8074 – and are suitable for a wide range of applications in underground installations, shafts or buildings.
Typical specifications:
- Diameter: 10-190 mm
- Wall thicknesses: 1-20 mm
- Lengths (bars): 1-12 m
- Coils/drum: 100-2500 m
- Materials: HDPE, PP, PVC
- Delivery forms: Bars, coils, drums
Contact us to configure the right thermowell system for your application.
Noris Plastic – Cable conduits for modern infrastructures
Precision-manufactured cable conduits
Cable conduits from Noris Plastic are used wherever power grids and fiber optic networks need to be laid reliably, durably and efficiently. Whether in energy supply or telecommunications – our products support future-proof infrastructures with the highest material quality and processing reliability.
Our thermowell solutions are designed for a wide range of requirements:
Cable conduits for power cables

Thermowell systems for modern power grids
The secure energy supply of the future requires high-performance and durable protection solutions. Noris Plastic’s cable protection conduits for power line construction have been specially developed for high and extra-high voltage cables up to 525 kV. They reliably protect underground power lines and thus make a significant contribution to the realization of climate-friendly grid infrastructures.
Special technical features - Cable conduits for power cables
Our cable conduits offer:
- Heat-resistant materials for long-lasting durability
- Solutions for high and extra-high voltage up to 525 kV
- Robust solid-wall and multilayer pipes
- High dimensional stability even under thermal stress
- Individual adaptation to network operators and construction projects
Cable conduits for underground cables
Mechanically stable protective conduits for underground cables
Our cable conduits made of plasticizer-free PVC set standards in terms of operational safety and durability. They are ideal for direct burial and are characterized by their high mechanical strength – even under challenging environmental conditions.
Special technical features - Cable conduits Underground cable
Our solutions offer:
- Maximum mechanical stability thanks to hard PVC without plasticizers
- Thermally stable design for constant performance
- Suitable for high and extra-high voltage ranges
- Available as solid wall or multilayer pipe
- Long-term value retention for grid operators
Contact us to realize robust protective pipes for your underground installation.
Protective conduits for fiber optic cables
Flexible conduit systems for fiber optic networks
In the age of digital infrastructure, the protection of sensitive fiber optic cables is essential. The pipe-in-pipe systems from Noris Plastic meet the highest requirements in terms of flexibility, protection and configurability – whether backbone, last mile or FttH. Our solutions can be adapted to almost any installation situation.
Technical data - Protective conduits for fiber optic cables
Our thermowells are characterized by:
- Multiple pipe systems with interchangeable inner pipes
- Pipe-in-pipe solutions for all common installation methods
- Flame-retardant and smoke-limiting variants for indoor applications
- Individual configuration according to network requirements
- High-quality extrusion for durable network infrastructure
Contact us to plan a tailor-made protective conduit system for your fiber optic network.