FIELD: electrical engineering.
SUBSTANCE: proposed polymeric high-voltage pin insulator designed for use in overhead power transmission lines, primarily those rated at 6 to 35 kV, has metal cap with wire attachment means and insulating part with head and ribs; novelty is that its insulating part is made of tracking-resistant silicone rubber and its head is clamped during wiring procedure between cross-piece pin and insulator metal cap. Insulating part is composite structure. During installation and wiring nonsplit joint is made between head and pin.
EFFECT: enhanced operating reliability, simplified design, facilitated installation and wiring, reduced manufacturing cost.
4 cl, 6 dwg
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