What Is Plenum?

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What Is Plenum?

What is a plenum?

In building construction, a plenum (pronounced PLEH-nuhm, from ****** meaning full) is a separate space provided for air circulation for heating, ventilation and air conditioning (sometimes referred to as HVAC). It is typically provided in the space between the structural ceiling and a drop-down ceiling. A plenum might also be under a raised floor. In buildings with computer installations, the plenum space is often used to house connecting communication cables.

In the U.S., typical plenum cable sizes are ********* Wire Gauge (AWG) sizes 22 and 24. Plenum cabling is often made of Teflon and is more expensive than ordinary cabling. In the event of *****, its outer material is more resistant to flames and, when burning, produces less smoke than ordinary cabling. Both twisted pair and coaxial cable are made in plenum cable versions.

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#Plenum

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