Are the Dual HDL300 system cables plenum rated?

The cables supplied with Nureva^® Dual HDL300 systems are not plenum rated. For installations that require plenum-rated cables, it’s recommended material/cabling is used in accordance with the applicable national, regional and local electrical codes or ordinances.

What is a plenum?

A plenum is an air-filled space within a structure. The most common type of plenum that Nureva conferencing systems are used with is the open space above the ceiling.

What does plenum-rated mean?

Air travels throughout a building via plenum spaces, constantly circulating. With this circulation, there is the potential for smoke or toxic fumes to move through the plenums of a building. Plenum rated means that the cables are designed to meet a specific standard to restrict the spread of fire and limit the amount of smoke or fumes emitted during a fire.

Plenum-rated USB cable or plenum-rated Ethernet cable?

The Dual HDL300 system has a USB cable that connects the connect module to the computer. Nureva recommends keeping the connect module close to the computer, using the included USB-A to USB-B cable. The connect module may also be installed farther away from the microphone and speaker bars using the 50' (15 m) CAT6 Ethernet cables included with the system.

The included Ethernet cables are not plenum rated. If the installation requires running the Ethernet cables through a plenum, it’s recommended a plenum-rated Ethernet cables with the following specifications are used:

• CAT5e minimum

• SSTP (screened-shielded twisted pair)

• Minimum 26 AWG cable for cable runs under 164' (50 m)

• Minimum 24 AWG cable for cable runs under 246' (75 m)

• Minimum 23 AWG cable for cable runs up to 328' (100 m)