FIELD: electrical engineering.
SUBSTANCE: proposed bushing insulator has electricity-conductive stick 1, tracking-resistant silicone resin insulation 2, supporting bush 3 coaxially enclosing mentioned insulation and made of nonmagnetic metal, its length being minimum half of that of current-conductive stick. Supporting bush ends can be made expanding over circle arc. Bush is enclosed with silicone rubber insulation that may have annular ribs. Concentric ribs are separately produced and attached in the course of their production to insulation to form nonsplit part.
EFFECT: improved design.
5 cl, 4 dwg
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