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Non Plenum and Plenum Cables – Different Suggestions to Consider


When you are making certain decisions in constructing a building, plenum and non-plenum cables are very important. If you consider yourself as a professional, you can easily know the best cable to use. However, if you still doubt on which of them is a good alternative, there are things that you still need to understand.

Most people use plenum cables because of the benefits that it provides. Actually, it is not always about the quality. You should also look at the benefit that it may offer to the building. It is very important that you have an idea about a plenum cable before using it. Below are some of the facts that you have to understand about it.

The word “Plenum” actually came from the HVAC industry. It means plenum spaces.

These are the reasons where the air inside the building can freely circulate. If the area doesn’t have any conduit, this cable is a great idea as it is installed freely.

Basically, these plenum spaces are made for emergency purposes, especially when there is fire and smoke. Fire and smoke travels fast in this kind of area. Without plenum spaces, the fire and the smoke will have a hard time going out of the building. It will stay inside and cause more damage and casualties.


A plenum cable is made from materials that produce less smoke when it is exposed to fire. It means that even if the cable is already burning, it doesn’t produce a lot of smoke. Usually, they make use of different materials like Low Smoke PVC, Flouropolymers and Teflon for plenum cables. These materials have certain properties that allow the cables to produce less smoke compared with cheap and regular PVC cables. As for the non-plenum cables, they are the cheaper alternative for plenum cables. It is only cheaper but the quality is lower compared with plenum cables.

Choosing the cables to use for building depends on the contractors and it will also depend on their budget. Plenum cables are no doubt the best choice if you are concerned about the safety of the people inside the building. If you are looking for ways to save more money, Non-plenum cables will be a good alternative.

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