FIELD: electrical engineering. SUBSTANCE: high-pressure plug has metal cylindrical frame with hole through which conductive element with thickening passes potted with electric insulation material. Novelty lies in insertion of joint of two plugs with hole made in each of them with hemispheric profile along longitudinal section which embraces ball-like thickening of conductive element on proper ends. Bushings and conductive element are connected tight through electric insulation material into inseparable unit. EFFECT: enhanced operational reliability. 5 cl, 3 dwg
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