Round white flex cable is available in 4 sizes, 2, 3, 4 & 5 Core and in a full roll or custom cut lengths Round White flex Cable has 4 sizes available that are suitable for different uses.They have cores of copper conductive wire. Common Cable Uses This cable is suitable for use in dry conditions, domestic, commercial, indoor and outdoor. It can be used for general electrical applications such as power tools, lawnmowers and extension cables. Safety information This cable is suitable for indoor and outdoor use. For extra safety, please check ratings of appliances prior to connecting cable.