Standard

IEEE 21-1976

Revised

Corrigendums and amendments are bought separately.

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Abstract

New IEEE Standard - Superseded. This standard applies to outdoor power class apparatus bushings which have basic impulse insulation levels of 100 kV and above for use as components of oil-filled transformers, oil-filled reactors, and oil circuit breakers.

Document information

  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher IEEE
  • Distributor IEEE
  • ICS 29.080.20
  • Technical Committee IEEE Power and Energy Society / Transformers

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