This document contains the detailed information of the standard IEEE C37.100-1992. In this standard, terms that encompass the products with the scope of the C37 project are defined. These include power switchgear for switching, interrupting, metering, protection and regulating purposes as used primarily in connection with generation, transmission, distribution, and conversion of electric power. The definitions do not purport to embrace other meanings that the terms may properly have when used in connection with other subjects.
More Information on this standard can be found here.