If you are planning to install audio throughout your home this is the cable you ll need, Impact Acoustics(TM) in-wall speaker wire is made from 65 strands of 99, 9% high-purity copper; it is very flexible and unlikely to kink during installation, This cable is CL2 rated for use inside walls, In-wall speaker wire features twisted-pair conductors to make the wire much easier to pull throughout the house than flat or zip-cord style speaker wire, Twisted pairs also help to cancel common-mode noise, Inner conductors are color-coded for easy identification, Features: 65 strands per conductor, 99, 9% high-purity copper, Color-coded conductors for easy identification, Flame-retardant white PVC jacket, UL listed, CL2 rated for in-wall installation, SKU: CTG1978