The Problem with Putting Data and Electrical Cables in Dado Trunking 

 

 

Introduction 

In the world of cable and containment installation on building sites, one key challenge is where to place data and electrical cables. This is where dado trunking, a standard solution, comes into play. However, despite its popularity, some problems are associated with using dado trunking. As a cable trunking expert, I'm here to illuminate these issues and provide insights on navigating them effectively. 


 

The Pros and Cons of Dado Trunking 

Dado trunking, a surface-mounted cable management system, offers a range of advantages for cable and containment installers. Its ease of installation and accessibility make it a preferred choice, especially in environments where cable routing needs to be flexible. However, there are notable downsides to using dado trunking for data and electrical cables. 


 

The Challenge: Mixing Data and Electrical Cables 

One significant problem when putting data and electrical cables in dado trunking is interference. Due to their electrical fields, electrical cables can interfere with data cables, leading to signal degradation and potential data loss. This interference can compromise network performance and communication breakdowns, harming any project's success. 


 

Understanding Interference and Signal Loss 

Interference occurs when the electrical fields generated by the power cables intersect with the data cables, leading to electromagnetic interference (EMI). This interference disrupts the flow of data signals through the data cables, causing signal loss, data corruption, and slower data transfer speeds. These issues are significant roadblocks in today's data-driven world, where seamless communication is crucial. 


 

Overcoming the Interference Challenge 

To overcome the interference challenge, cable and containment installers must employ effective strategies that separate data and electrical cables within dado trunking. This can involve using shielding techniques, such as installing metal conduits around the data cables to block out the electromagnetic fields produced by the electrical cables. Moreover, properly grounding the electrical cables is essential to minimise the spread of interference. 


 

Choosing the Right Cable Types 

Another crucial aspect of mitigating interference is selecting the suitable types of cables for the job. Shielded twisted-pair (STP) or fiber optic cables are excellent choices for data cables, as they are less susceptible to electromagnetic interference. On the other hand, using low-voltage and well-insulated electrical cables helps minimise their interference with data cables. 


 

Frequently Asked Questions (FAQs) 

 

1. Can I use Dado trunking for both data and electrical cables? 

Yes, you can use dado trunking for both types of cables, but it's essential to take measures to prevent interference between them. 
 

2. What are some shielding techniques for data cables? 

Metal conduits or enclosures around data cables can shield them from electromagnetic interference. 
 

3. How does interference affect network performance? 

Interference can lead to signal loss, slower data transfer speeds, and data corruption, negatively impacting network performance. 
 

4. Are there specific cable types that are less susceptible to interference? 

Yes, shielded twisted-pair (STP) and fiber optic cables are less susceptible to electromagnetic interference. 
 

5. How can I ensure proper grounding of electrical cables? 

Proper grounding involves connecting electrical cables to a grounding system to prevent the spread of interference. 
 

6. Can interference be eliminated? 

While complete elimination is challenging, proper shielding techniques and cable separation can significantly reduce interference. 


 

Conclusion 

The use of dado trunking for data and electrical cables poses a significant challenge regarding interference and signal loss. However, with the right strategies, cable and containment installers can effectively address this issue and ensure optimal network performance. By selecting the appropriate cable types, implementing shielding techniques, and focusing on proper grounding, the potential problems associated with mixing data and electrical cables in dado trunking can be successfully mitigated. 

If you want to take a closer look at our range of Dado trunking, click here. If you want to contact or find out more about this blog posts author, Dave Dann, click here.