What To Choose: Plenum Cable Or Non- Plenum Cable

Plenum Cable Or Non Plenum Cable

Cabling choices are ample, there are so many options available in the market to choose from. Throughout the years, variations have continued to grow, and vendors even have their own “manufactured” cables, depending upon your requirements. While selecting suitable cables, a wrong decision may increase your project cost.

However, choosing the right cable for your projects, you can usually start by making the decision whether to install non-plenum cable or plenum cables such as cat5 plenum or cat6 plenum or Cat5e plenum. Selection of cables majorly depends on the jacket cover the cable. The selection of a perfect cable looks like a minor activity, but it is important to understand the difference between plenum and non-plenum wires.

Insights of Plenum cables

A plenum rated cable has a special insulation that has low smoke and low flame characteristics. Plenum cable is mandated to be installed in any “air-handling” space. Compare with non-plenum cable, it costs higher. The reason why it costs  more is the material required for the insulation which needs to meet the requisite standards.

Benefits of Plenum Cables

Why are plenum cables necessary? Since plenum cables are routed through air circulation spaces which often contain very few fire barriers, they need to be coated in material such as plenum jacket that won’t contribute to spread flames.

Network and communication wiring typically spread throughout buildings, having plenum cable is the perfect to answer all questions related to safety and security. Plenum cables are fire resistant and they are interchangeable, too.

Insights of Non-plenum cables

It is also known as PVC – polyvinyl chloride cables. It is common plastic cable insulation jacket. It is less expensive compared with plenum cable.

Benefits of PVC cables

  • They are easy to install.
  • PVC or non-plenum cables are cost effective.
  • PVC cables are resistant to water, chemical rotting, corrosion, shock, and abrasion.
  • They are strong as they have good mechanical strength and light weight.

What to Choose? Plenum Cable Or Non- Plenum Wire?

The decision whether to choose between plenum or non-plenum wire depends upon the cost you are willing to invest as well as special project under construction. However, before selecting wires it is better to consider following reasons.

Technology: plenum wire got its name from HVAC technology which introduces plenum spaces. These spaces are used for air circulation in buildings to ensure good indoor air quality.

In case of emergency, plenum space helps to channelize fire and smoke. These Plenum Cables produces less smoke and flames compares to non-plenum cables.

Riser or non-plenum are PVC wires, made of polyvinyl chloride. It is less expensive. PVC cables directly catches smoke and flames in case of emergency.

Cost: Usually, Plenum fire resistant rated cables are 2-3 times costly as compared to PVC made cable.

Most important factor to consider is the cost of both cables. Though plenum cables are expensive than non-plenum, they are very effective. If you are installing a cable in plenum spaces it is important to remember the advantages of plenum rated cables are long term.

It is the responsibility of the builder or contractor to eliminate any chances of errors. Selecting plenum cables is a wise choice, it is a lifetime investment because it produces less physical damage.


Now, if you are willing to buy such cables, it is better to place secure order on Vertexcables.com. Our main aim is to deliver high-quality products along with a commitment to give you support and service when required.

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