The WIR6CMRGR 1000 ft Cat6 Riser Bulk Cable roll (gray) meets or exceeds all Category 6 specifications to ensure reliable Gigabit network connections and features a foot-marked jacket that makes it easy to tell how much cable is left on the roll and enables you to measure your cable runs to your exact installation requirements.&lt;br /&gt;&lt;br /&gt;Constructed of only top quality materials the WIR6CMRGR delivers reliable performance and is backed by our Lifetime Warranty.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Riser Rated&lt;/b&gt;&lt;br /&gt;This Category 6 cable has been tested for CMR riser installations and is ideal for in-wall between floor and elevator shaft cable runs where CMR fire rating is required.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;100% Copper - a better value&lt;/b&gt;&lt;br /&gt;StarTech.com Cat6 cables are manufactured using high-quality copper conductors. While many cable manufacturers offer a &quot;cheaper&quot; cable based on a copper-coated aluminum core we make no compromises on quality to ensure you receive top value and performance for your network cable investment.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;23 AWG Wire&lt;/b&gt;&lt;br /&gt;This Cat6 cable is constructed with 23 gauge copper wire to support a broad range of Ethernet applications such as Power over Ethernet (PoE). Because we use a high quality copper wire our cables easily sustain the power required for Power over Ethernet applications whereas the inferior quality offered by copper-coated aluminum cables may be subject to insufficient power delivery heat buildup equipment damage and potentially fire.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;The StarTech.com Advantage&lt;/b&gt;&lt;br /&gt;- Ideal for riser installations (in-wall between floor elevator shafts etc.)&lt;br /&gt;- Easy to pull from Reelex box for faster cable runs&lt;br /&gt;- Easily measure out cable runs and keep track of how much cable is left on the roll