FIELD: electrical engineering. SUBSTANCE: bushing insulator is designed for passing at least two electrical conductors through metal casing of exhaust system of internal combustion engine including electrically heated catalytic converter. Conductor entry of casing is provided with bushing for passing electrical conductors. Novelty is that conductors are arranged coaxially relative to each other. EFFECT: provision for preventing electromagnetic pulses. 8 cl, 2 dwg
