If you still want to keep and utilize your installed CCA cable after reading the two articles below then go right ahead, it's a free country. Just don't expect to get much help from your insurance company should there ever be a fire issue in your house....it would likely be suspected and even if not proven responsible, you'd probably have to prove otherwise because of its "bad press."
The fact that one of the oldest and most reputable cable manufacturers around, Belden, won't produce CCA Ethernet cable should tell you something........they don't want the liability.
Learn about copper clad aluminum (CCA) and why it should not be used for Ethernet cables. Understand the safety hazards of using CCA, and discover the importance of choosing solid copper cables for reliable performance and compliance with industry standards.
www.truecable.com
Are you considering using CCA Cable? Here are a few reasons why you should stear clear.
www.belden.com
And lastly, this excerpt from the article below it. I personally won't allow the use of any electrical device or component in my house that is not UL-listed. :
"UL listed cables are safety-rated because they passed strict flame spread testing to reduce the spread of fire. If a cable made with CCA shows a UL mark then it is likely unauthorized and the cable is counterfeit."
As the price of copper increases, some cable manufacturing companies have come up with cheap and deceiving ways to make their networking cables.
icc.com