Electrified sealing device for secondary circuit of current transformer

A current transformer secondary circuit live-line sealing device comprises a first terminal strip, a second terminal strip, CT test terminals, a two-connection short-circuit sheet and a four-connection short-circuit sheet, eight mutually arranged CT test terminals are arranged on the first terminal strip and are divided into four groups to be connected with the two-connection short-circuit sheet to form four test terminal groups, and the four test terminal groups are connected with the two-connection short-circuit sheet to form four test terminal groups. The second terminal strip is provided with four mutually arranged CT test terminals which are connected with the four-connection short-circuit sheet, four wire outlet sides of the four test terminal groups are electrically connected with the second terminal strip through CT cables, and cables led out from the other four wire outlet sides of the four test terminal groups are connected with a protection device. The fixed conductor is switched on or switched off