The Underfloor Heating Cable X-Cable is suitable for providing energy-efficient indoor underfloor heating and can be installed under almost any floor coverings.It will be safe to use in both dry and wet locations.The X-Cable heats up through the inner conductor. It cannot be cut in any situation because the length and the output of the constant wattage cable are determined. The outside diameter of the X-CABLE is 5.0 mm and rated at 20 w/m. It provide a reliable and effective underfloor heating system.