CONNECTOR

The present disclosure provides a connector (1), where a first end of the connector (1) is provided with a first interface (11), a second end of the connector (1) is provided with a second interface (12), and the second interface (12) includes: a first switch unit (121), where the first switch unit (121) is connected in series between a power input terminal and a power output terminal of the second interface (12); and a second switch unit (122), where the second switch unit (122) is connected to a control terminal of the first switch unit (121) and a ground pin (A12) of the second interface (12), and a preset reference voltage is input into the ground pin (A12) of the second interface (12); in a case that the second interface (12) is disconnected from a to-be-charged device, the first switch unit (121) is in an off state; and in a case that the second interface (12) is connected to the to-be-charged device, the ground pin (A12) of the second interface (12) is connected to a ground pin of the to-be-charged device, the ground pin of the second interface (12) is grounded, and the first switch unit (121) is in an on state.