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BS EN IEC 62772. Composite hollow core station post insulators for substations with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V. Definitions, test methods and acceptance criteria|Acceptance (approval), Electric insulators, Alternating current, Electrical insulating materials, Electrical testing, Elastomers, Mechanical testing, Electrical insulation devices, Composite materials, Post insulators, Loading, High-voltage equipment, Electric substations

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