| Subject | English | French |
| el. | automatic switching device | dispositif de protection automatique |
| el. | device for instantaneous switching from transmission to reception | dispositif pour passer instantanément de l'émission à la réception |
| earth.sc. | fast switching device | commutateur rapide |
| transp. | layout in which switches are worked by separate control devices | aiguillage à manoeuvre individuelle |
| transp., el. | overhead switching device | aiguillage aérien |
| el. | semiconductor switching device | appareil de connexion à semi-conducteur |
| comp., MS | single switch device | périphérique à contacteur unique (An assistive computer technology for people with mobility impairments. A single switch device allows users to interact with a computer by using slight body movements) |
| IT | space division switching device | dispositif de commutation spatiale |
| transp. | switch device | dispositif de commutation |
| commun. | switching device | commutateur-interrupteur |
| el. | switching device | dispositif de commutation |
| el. | switching device | appareil de connexion |