Cat 6 cable 2D4P6IPV3B has
solid bare copper (annealed) conductor.

Please go to the following links below and check under the Documentation Tab for more information.
Australia - https://www.clipsal.com/products/detail?CatNo=2D4P6IPV3B&itemno=2D4P6IPV3B-BU&backto=/search?q=2D4P6IPV3B&tab-document-1=0
New Zealand - https://www.pdl.co.nz/products/detail?CatNo=2D4P6IPV3B&itemno=2D4P6IPV3B-BU&backto=/search?q=2D4P6IPV3B&tab-document-1=0