本标准涵盖IEEE标准C57所涵盖的液浸式配电变压器中使用的非电容套管的电气、机械、尺寸和相关要求。12.20，C57。12.34，C57。12.36和C57。12.38基本脉冲绝缘水平（BIL）小于或等于200 kV。这些应根据IEEE标准C57进行解释、测量或测试。适用时为19.00。

This standard covers electrical, mechanical, dimensional, and related requirements for non-condenser bushings used in liquid-immersed distribution transformers covered by IEEE Std C57.12.20™ [B3], IEEE Std C57.12.34™ [B4], IEEE Std C57.12.36™ [B5], and IEEE Std C57.12.38™ [B6] and that have basic impulse insulation levels (BILs) of less than or equal to 200 kV.6 These requirements are to be interpreted, measured, or tested in accordance with IEEE Std C57.19.00™ unless otherwise stated in this standard.