摘要：【中文】本发明提供了一种顶端开口的接地线，包括：顶端开口的椭圆形接地头、接触件、滑动机构和绝缘杆；所述接触件容纳并夹持固定在所述接地头中，包括基体和沿基体的顶部两端向上弯折形成的两个接触片，所述接触片分别抵靠并夹持固定接地头的上部中，形成用于放置导线或者接地挂环的凹口，所述基体的底端通过两个弹簧与接地头的底部连接；所述滑动机构用于打开或关闭所述接地开口。本发明提供的接地线能够使得悬挂接地线时省时省力，且安全方便。 【EN】The invention provides a top open ground wire, comprising: the device comprises an oval grounding head with an opening at the top end, a contact element, a sliding mechanism and an insulating rod; the contact element is accommodated and clamped and fixed in the grounding head and comprises a base body and two contact pieces formed by bending upwards along two ends of the top of the base body, the contact pieces are respectively abutted against and clamped and fixed in the upper part of the grounding head to form a notch for placing a lead or a grounding hanging ring, and the bottom end of the base body is connected with the bottom of the grounding head through two springs; the sliding mechanism is used for opening or closing the grounding opening. The grounding wire provided by the invention can save time and labor when being hung, and is safe and convenient.