Power supply systems - Requirements and specifications - Contact line types and designs - Rating of overhead contact lines - Currents and voltages - Current return circuit and earthing - Thermal rating of conductors - Electromagnetic interferences - Line protection and fault location - Interaction of pantograph and overhead contact line - Components - Project design - Cross-span structures, poles and foundations - Designs for special applications - Construction, acceptance and commissioning - Examples of running systems from many countries - Management and maintenance Skryť popis