该项目将添加新的定义，并修订现有定义，使文件更新。将修改海拔修正系数，以反映开关设备委员会“通用条款”工作组的建议。标准C37。40b，电容器熔断器的定义，将被纳入新文件中。

This project will add new definitions and revise existing definitions to bring the document up to date. Altitude correction factors will be revised to reflect the recommendations of the Switchgear Committee "Common Clauses" working group. Standard C37.40b, definitions for Capacitor Fuses, will be incorporated into the new document.