---
title: "Are the HDL200 system cables plenum rated?"
slug: "are-the-hdl200-system-cables-plenum-rated"
description: "Unlock the importance of plenum-rated cables for Nureva HDL200 systems. Learn why compliance with electrical codes is crucial for safe installations."
updated: 2024-04-22T22:32:01Z
published: 2024-04-22T22:32:01Z
canonical: "support.nureva.com/are-the-hdl200-system-cables-plenum-rated"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.nureva.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Are the HDL200 system cables plenum rated?

The cables supplied with Nureva® HDL200 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 HDL200 system has a USB cable that connects it to the computer. Plenum-rated USB cables can be hard to find and are often quite expensive. An alternative is to use a single-cable USB over Ethernet extender solution. The Ethernet cable between the transmitter and receiver would be a plenum-rated Ethernet cable. Plenum-rated Ethernet cables are generally easier to find.

[Can I use a USB extender with the HDL200 system?](https://support.nureva.com/docs/using-usb-extender-with-the-hdl200)