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IEEE/ASA 21-1964

American Standards Requirements and Test Code for Outdoor Apparatus Bushings
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IEEE/ASA 21-1964

American Standards Requirements and Test Code for Outdoor Apparatus Bushings

PUBLISH DATE 1964
PAGES 20
IEEE/ASA 21-1964

Revision Standard - Superseded.

This Standard covers the following:

  • Electrical requirements for outdoor power apparatus bushings having basic impulse insulation levels 110 through 1300 kilovolts.
  • Mechanical requirements for the outdoor power apparatus bushings listed in Table 7.4.
  • Dimensions of the outdoor power transformer and alternating-current power circuit breaker apparatus bushings listed in Tables 7.1(a), 7.1(b), and 7.1(c).

1.2 This Standard does not apply to bushings for indoor apparatus, dry type instrument transformers, air-blast transformers, dry type regulators, oil-less and oil-poor apparatus, roof, floor, wall and generator bushings, potheads, distribution type circuit breakers and back-connected switch insulators.

1.3 Bushing requirements as set forth in this Standard apply to bushings when mounted for testing, according to requirements outlined in Section 9.3.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 21
Publication Date July 31, 1964
Language en - English
Page Count 20
Revision Level
Supercedes
Committee
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