Road height-limitation warning-board pendant installed in electrified mode

The utility model relates to the field of hardware fittings used for safeguard of safe operation of power-system lines and particularly relates to a road height-limitation warning-board pendant installed in an electrified mode. The warning-board pendant is characterized by including a hook body, a fastening threaded rod and a sliding block. The lower part of the hook body is connected with the fastening threaded rod through threads. The upper end of the fastening threaded rod is provided with the sliding block. The top end of the sliding block is provided with a lower rubber mat. The upper part of the hook body is provided with an upper rubber mat. A wire space is arranged between the upper rubber mat and the lower rubber mat. The lower end of the fastening threaded rod is provided with an operating-rod connection handle. The hook body is provided with a connection hole which is connected with a warning board. A pressure spring is sleeved on the fastening threaded rod between the operating-rod connection hand