The HellermannTyton 561-01300 involves markers for cables and wires, which come with a labeling symbol: L1,L2,L3,N, and Ground. This product is made of flame-retardant and UV-resistant material, making it suitable for indoor and outdoor use, and it also resists mechanical, chemical and thermal damage. The 561-01300 markers feature adhesive backing, making it easy to attach to wires, cables, plugs, and other objects in order to properly identify and organise them. The label symbol includes a number of markers which can be written on with pen or permanent marker for easy identification. This product is also resistant to temperatures up to 150 degrees Celsius.