The invention belongs to the capacitive equipment electrified detection technical field and relates to a capacitive equipment electrified detection end screen sampling device, in particular to a end screen single sampling device for electrified detection of the insulation condition of capacitive equipment. The capacitive equipment electrified detection end screen sampling device comprises an upper rotation mechanism, a middle rotary type wiring mechanism and a bottom fixing mechanism, wherein the rotation mechanism is connected with the rotary type wiring mechanism, and the lower part of the rotary type wiring mechanism is connected with the fixing mechanism; and the rotation mechanism includes a sealing cover, a detection joint and a detection core, wherein the detection joint is covered with the sealing cover, and the detection joint is connected with the detection core. As proved by retrieval, no reports on capacitive equipment electrified detection end screen sampling devices appear. With the capacitive equipment electrified detection end screen sampling device provided by the technical scheme of the invention, the electrified detection of the insulation parameters of capacitive equipment can be realized, and therefore, the insulation condition of the capacitive equipment under operating voltage can be effectively obtained, and safe and stable operation of the equipment can be ensured.