The standard DINEN 50310 is a supplement to the European cabling standardEN 50174 (-1). It deals with measures for earthing and equipotential bonding in buildings with information technology equipment. EN 50310 deals with earthing, i.e. the application of earth electrodes and earth networks as star earth networks, ring earth networks and meshed earth networks. It also deals with equipotential bonding, equipotential bonding conductors and AC and DC distribution systems in buildings.