Strict building code requirements for cabling in plenum spaces have created installation challenges in settings such as schools, hospitals and other commercial buildings. Previous solutions were limited to "over Cat5/6" products, which added to both the complexity and the reliability of the installation due to the need for power and signal conversion. This cable line of commercial grade plenum cables that are ideal for routing audio/video cables through plenum space above dropped ceilings or under raised floors. The new Pro Series commercial grade plenum cables offer true digital performance while meeting the highest standards in fire resistance. Available for HDMI, DVI and DVI+3.5mm audio signals, these cables can meet the demands of virtually any commercial installation. By supporting resolutions of 1080p for displays and up to 1920 x 1200 pixels for computers, and with lengths ranging from 6 to 50 feet, the Pro Series is the ideal connectivity solution for A/V equipment used in classrooms or conference rooms. 24k gold-plated connectors prevent metal corrosion, resulting in the optimal signal transfer for the highest picture and sound quality. Shielded 24AWG copper conductors protect against EMI and RFI to ensure uninterrupted performance. high quality materials and construction, along with rigorous factory testing and a full lifetime warranty, guarantee long-term, dependable performance.