The invention discloses a wiring clip for an electric test of a lightning arrester. The wiring clip is provided with a tubular insulating rod, wherein a pair of pliers is connected with the upper end of the insulating rod; an upper long strip hole and a lower long strip hole are formed in the periphery of the insulating rod; a driving rod is arranged in the insulating rod; an arc lower driving rod which is extended out of the lower long strip hole is hinged to the lower end of the driving rod; an arc upper driving rod which is extended out of the upper long strip hole is hinged to the upper end of the driving rod; a round hoop which is hinged with a handle is arranged below the periphery of the insulating rod; the other end of the handle is hinged to the lower driving rod; one handle of the pliers is hinged to the upper driving rod; a spring which downwards stresses the driving rod is arranged in a round pipe of the insulating rod and between the driving rod and the insulating rod; and a conducting sheet is arranged on a jaw of the pliers and is connected with a lead. The wiring clip is provided with the insulating rod, the pair of pliers with the lead is connected with the upper end of the insulating rod, the handle is arranged at the lower end of the insulating rod, and the elastic driving rods of which the two ends are respectively connected with the handle and the handles of the pliers are arranged in the insulating rod, so that the wiring clip can be safely, conveniently and electrically connected to an electric connecting point of the lightning arrester in an online manner.