High quality 2-conductor speaker wire featuring a flexible red PVC jacket and a black polarity stripe for fast, easy, and accurate installations. 16 AWG, 26 strands of pure copper wire per channel deliver clarity and undistorted signals to all sound systems. 99.99 % oxygen-free copper (OFC) conductors. Works with bare wire connectors, banana plugs, spade tips, or bent pin connectors. UL safety certified, NEC 725 Class 2 rated for home and commercial use. Sequentially marked every two feet in descending order from the start of the reel to the core