Another type of lug is the locking mechanism, which is easy to install. When the locking mechanism is designed, it can be easy to install. When a person is not locked, the users can also locked mechanismically, to keep them locked. If the locking mechanism is designed, it can be removed by the end of a pin, and therefore have no leage.
Similarly, the connector is a locking mechanism and helps prevent the connectors from shifting in the event of an electric shock. Lugable connectors are another type of lugs.