Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire， 100ft<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The Plenum (CMP) rating indicates that the cable complies with fire safety and insurance requirements， making it safe for use inside the walls of residential and enterprise class buildings. </span></li><li><span class="a-list-item"> This speaker wire features conductors made of high purity oxygen-free bare copper. </span></li><li><span class="a-list-item"> Monoprice Plenum Speaker Wire uses a high quality material that is softer and more flexible than on traditional plenum rated jackets. </span></li><li><span class="a-list-item"> Easily identifiable Red and Black conductors. </span></li><li><span class="a-list-item"> All Monoprice cables come with a Lifetime Warranty. You can rest assured that Monoprice stands behind its cables and its customers. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ss%2B87-zPL.jpg" noproxy>