1) электроника врубать, включать 2) вмешиваться 3) вклиниваться
фразовый глагол 1) вмешаться (в разговор) Например: "May I join you?" a loud voice cut in. — "Можно к вам присоединиться?" вмешался чей-то громкий голос. 2) вклиниваться между машинами Например: We were driving peacefully along the road when this red car cut in (on us), forcing us to slow down. — Мы спокойно ехали по дороге, пока нас не подрезала эта красная машина и нам не пришлось сбавить скорость. 3) [технический термин] включать, присоединять
verb intransitive verb 1. to thrust oneself into a position between others or belonging to another 2. to join in something suddenly Example: cut in on the conversation 3. to interrupt a dancing couple and take one as one's partner 4. to become automatically connected or started in operation Example: waiting for the auxiliary motor to cut in transitive verb 1. to mix with cutting motions Example: after sifting the flour into a mixing bowl, cut the lard in 2. to introduce into a number, group, or sequence 3. to connect into an electrical circuit to a mechanical apparatus so as to permit operation 4. to include especially among those benefiting or favored Example: cut them in on the profits