Da Italiano a Inglese Tecnico/Meccanico Meccanica/Ingegneria meccanica

could the mordecchia be a terminal block in this context? It involves plant safety where each worker must put his own lock on the box so that the unit cannot be repowered until everyone has finished their job. The sentence is:
lucchetto salva persona LSP da posizionare sulla mordecchia della apparecchiatura rotante, alla quale sia stata tolta tensione;