This is the right cable to install audio throughout your house. Made from 41 strands of 99.9% high-purity copper, this speaker wire is very flexible and less likely to kink during installation. CL2-rated for use inside walls, this wire features a flame-retardant white PVC jacket that helps to diminish the potential of fire spreading between floors.The wire's design features conductors twisted upon each other that makes the cable round and much easier to pull throughout the house than the flat or zip-cord style. Inner conductors are color-coded for easy identification.