新IEEE标准-已被取代。 本标准适用于户外电力级设备套管，其基本脉冲绝缘水平为100 kV及以上，用作充油变压器、充油电抗器和油断路器的部件。

New IEEE Standard - Superseded.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.