| Subject | English | German |
| el. | A.C. network | Wechselstromnetz |
| el. | a.c.network | Wechselstromnetz |
| opt. | a.c. compensating network | kompensierendes Wechselstromnetzwerk |
| gen. | C network | erdsymmetrisches quersymmetrisches Halbglied |
| commun. | C network | C-Netz (analog cellular RT network corresponding to GB 'Cellnet', 450 MHz, from 1986, being replaced by 'C-Tel', q.v.; s.a. 'D-Netz') |
| commun., el. | C network | Zweitor in C-Schaltung |
| tech. | C network | C-Glied |
| telecom. | C-network | C-Netz |
| el. | d.c.network | Gleichstromnetz |
| commun. | mobile network C | C-Netz-Telekom ('C-Netz' upgrade, otherwise identical, privacy protection by signalling measures and voice encryption, 1995) |
| el. | transistor d-c stabilization network | Transistor-Gleichstrom-Stabilisierungsnetzwerk |
| commun. | voice messaging system of the mobile network C | Sprachspeichersystem des C-Netzes |