Collocations for switch on - phr verb
Switch on is used with these nouns as the object:
appliance, computer, current, engine, fire, headlights, heating, lamp, light, phone, projector, radio, siren, television, torch, wiper
appliance, computer, current, engine, fire, headlights, heating, lamp, light, phone, projector, radio, siren, television, torch, wiper