A coupling element, having • a first coupling section (24, 33), which is configured to be electrically connected to a first ground connection at a second ground connection of an electrically operated device, which second coupling section is designed for the electrical connection of an electrical power supply for the device, and • a grounding means comprising a first connection section which - is electrically coupled to the first ground connection and - is designed to be electrically coupled directly to a person • a first connection part (35, 34) with - the first coupling section (24, 33), - a third coupling section (42, 41) and - a connection section as well as • a second connection part (34, 35) with a fourth coupling section (41, 42), • wherein the connection section is electrically coupled to the first and third coupling section (24; 42, 41) and the third coupling section (42, 41) is designed to be capable of being electrically coupled to the fourth coupling section (41, 42) in such a manner that in the case of an electrical connection of the second connection part (34, 35) via the first connection part (35, 34) to the device of the first ground connection, the first ground connection is electrically coupled with the second ground connection, wherein • the third coupling section (42, 41) is designed as a plug or bush and • the fourth coupling section (41, 42) is designed as a bush or plug, which is designed so that the first and the third coupling section (42, 41; 41, 42) can be plugged into one another, in such a manner that the first ground connection is thus automatically electrically coupled with the electrical connection section. • a first coupling section (24, 33), which is configured to be electrically connected to a first ground connection at a second ground connection of an electrically operated device, which second coupling section is designed for the electrical connection of an electrical power supply for the device, and • a grounding means comprising a first connection section which - is electrically coupled to the first ground connection and - is designed to be electrically coupled directly to a person - is electrically coupled to the first ground connection and - is designed to be electrically coupled directly to a person • a first connection part (35, 34) with - the first coupling section (24, 33), - a third coupling section (42, 41) and - a connection section as well as - the first coupling section (24, 33), - a third coupling section (42, 41) and - a connection section as well as • a second connection part (34, 35) with a fourth coupling section (41, 42), • wherein the connection section is electrically coupled to the first and third coupling section (24; 42, 41) and the third coupling section (42, 41) is designed to be capable of being electrically coupled to the fourth coupling section (41, 42) in such a manner that in the case of an electrical connection of the second connection part (34, 35) via the first connection part (35, 34) to the device of the first ground connection, the first ground connection is electrically coupled with the second ground connection, wherein • the third coupling section (42, 41) is designed as a plug or bush and • the fourth coupling section (41, 42) is designed as a bush or plug, which is designed so that the first and the third coupling section (42, 41; 41, 42) can be plugged into one another, in such a manner that the first ground connection is thus automatically electrically coupled with the electrical connection section.