本标准提供了额定电压高于1000伏的高压断路器、断路器、故障启动和接地开关的首选额定值和结构规范一览表。开关操作员控制电压范围（以前的C37.33）、总线支架和附件也包含在本标准中。C37中包含的开关。20.2，C37。20.3，C37。20.4，C37。71，C37。72和C37。73不在本标准范围内。

This standard provides the schedules of preferred ratings and construction specifications for high-voltage disconnect, interrupter, fault initiating, and grounding switches rated above 1000 volts. Switch operator control voltage ranges (formerly C37.33), bus supports and accessories are also covered by this standard. Switches included in C37.20.2, C37.20.3, C37.20.4, C37.71, C37.72 and C37.73 are not covered by this standard.