01542nam 2200397 450 991013576680332120231206190645.00-7381-4594-710.1109/IEEESTD.1976.120671(CKB)3780000000089320(NjHacI)993780000000089320(EXLCZ)99378000000008932020231206d1976 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierANSI/IEEE Std 21-1976 IEEE General Requirements and Test Procedure for Outdoor Apparatus Bushings /IEEENew York :IEEE,1976.1 online resource (15 pages)ANSI/IEEE Std ;21-1976This 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.ANSI/IEEE Std: Outdoor Apparatus Bushings: IEEE Standard General Requirement and Test Procedure for OuANSI/IEEE StdElectric insulators and insulationStandardsElectric insulators and insulationTestingElectric insulators and insulationStandards.Electric insulators and insulationTesting.621.31937NjHacINjHaclDOCUMENT9910135766803321ANSI2072434UNINA