• Stay insulators give protection in the event of accidentally broken live wire that can accidentally energizing a stay wire and remaining in contact with line which doesn’t trip. In such cases. The bottom portion of the stay would have no voltage due to insulation, Stay insulator will normally installed in the middle of stay wire.
• Three types of stay insulators are generally used for rural and railway these are :
  • 1.1 KV stay
  • 15 kV stay
  • 36 kV stay

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