PROBLEM TO BE SOLVED: To provide a stopper and puncture device capable of suppressing application of a voltage which the stopper and stab operator does not intend. SOLUTION: The stopper puncture device 1 includes an insulating rod 2, a puncture needle 3 attached to one end of the insulating rod 2, and an extension direction, that is, an extension line of the insulating rod 2 extending from one end of the insulating rod 2 to which the puncture needle 3 is attached. 16. An angle sensor 4 capable of detecting an angle A of a vertical downward line 16, that is, a vertical downward line 15, a switch unit 5 capable of switching on / off of electrical connection to the puncture needle 3, and an angle sensor 4 As a result of detecting the angle A of the extension direction of the insulating rod 2 extending from one end of the insulating rod 2 to which 3 is attached with respect to the vertical downward direction, the angle A is 0 degrees or more and less than 90 degrees, and the switch unit 5 is turned on. When the switch is switched to, the voltage applying circuit 7 capable of applying an impact voltage to the puncture needle 3 is electrically connected to the voltage applying circuit 7, and when the impact voltage is applied to the puncture needle 3, the pole of the puncture needle 3 is changed. Will be a different pole from And a Sukurippu 13. [Selection diagram] Fig. 3【課題】止め刺し作業者が意図しない電圧の印加を抑制できる止め刺し器を提供する。【解決手段】止め刺し器１は、絶縁棒２と、絶縁棒２の一端に取付けられた刺針３と、刺針３が取付けられた絶縁棒２の一端から延びる絶縁棒２の延長方向すなわち延長線１６の、鉛直方向下向きすなわち鉛直方向下向き線１５に対する角度Ａを検知可能な角度センサー４と、刺針３への電気的導通のオンとオフを切替え可能なスイッチ部５と、角度センサー４が、刺針３が取付けられた絶縁棒２の一端から延びる絶縁棒２の延長方向の、鉛直方向下向きに対する角度Ａを検知した結果、角度Ａが０度以上９０度未満であり、かつ、スイッチ部５がオンに切替えた場合、刺針３に衝撃電圧を印加可能な電圧印加回路７と、電圧印加回路７と電気的に接続されており、かつ、刺針３に衝撃電圧が印加されたときに刺針３の極とは異なる極となるアースクリップ１３とを備える。【選択図】図３
