Underground cable: If you want to operate an electrical device outdoors, you need an underground cable. These cables have a special insulation that protects them from moisture, cold and UV radiation, making them ideal for outdoor use. They are flexible and easy to lay. Beste-Testsieger.de offers you a large selection of underground cables in various lengths and thicknesses. Whether for use in the garden, on the construction site or in the field of renewable energies - you will find the right underground cable with us.