The utility model discloses an adjustable angle's earth connection end relates to the power equipment field, including integrated into one piece's metallic couple and ground connection copper line, ground connection copper line passes through bolted connection in the side of the afterbody of couple, and the inboard of couple is equipped with the elasticity folders that two symmetries set up, and the afterbody welding of couple has the U -shaped to connect, and the riveting had a connecting rod in the U -shaped connected, is connected with an insulating bar through the connecting bolt rotation on the connecting rod, the utility model provides high hang, the quality of disconnect ground wire, guaranteed that the effectively grounded who connects wires rates, improved ground connection efficiency, eliminated the potential safety hazard, ensured the safety of overhauing the operation personnel.