| Subject | English | German |
| transp., el. | coded track circuit current | Code-Gleisstrom |
| railw., sec.sys. | track circuit compensating capacitors | Kompensationskondensatoren |
| railw., sec.sys. | track circuit compensating capacitors | Gleisstromkreis-Kompensationskondensatoren |
| railw., sec.sys. | track circuit diagram | Isolierplan |
| railw., sec.sys. | track circuit diagram | Gleisstromkreisplan |
| transp., el. | track circuit interrupter | Gleisstromkreis-Unterbrecher |
| railw., sec.sys. | track circuit interrupter | Gleisstromkreisunterbrecher |
| railw., sec.sys. | track circuit plan | Isolierplan |
| railw., sec.sys. | track circuit plan | Gleisstromkreisplan |
| transp., el. | track circuit shunt resistance | Nebenschlussempfindlichkeit des Gleißtromkreises |
| transp., el. | track circuit with polarized relay | Gleisstromkreis mit polarisiertem Relais |