| Subject | English | Italian |
| el. | automatic switching device | dispositivo di commutazione automatico |
| earth.sc. | fast switching device | congegno a commutazione veloce |
| transp., el. | overhead switching device | scambio aereo |
| el. | semiconductor switching device | apparecchio di manovra a semiconduttore |
| comp., MS | single switch device | dispositivo a sensore unico (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) |
| el. | switching device | dispositivo di commutazione |
| commun. | switching device | commutatore-interruttore |
| el. | switching device | apparecchio di manovra |