3 x 3 Standard Slot Panel Channel- Cover Included Made from high-impact, self-extinguishing, warp-proof PVC for routing wires. Restricted slot opening is designed to retain wires and allow for breakout when required. Individual wires are easily traced and removed when necessary. Scored sidewalls allow for easy break-off of panel channel sections. All sizes are supplied with mounting holes and non-slip, snap-on and off covers. Optional adhesive backing is available. Maximum service temperature: 85 degrees C (185 degrees F), Test to UL File up to 50 degrees C (122 degrees F). 94V-0 Rated,