IEEE Std C37.21-2017
IEEE Standard for Control Switchboards
- Standard No.
- IEEE Std C37.21-2017
- Release Date
- 2017
- Published By
- Institute of Electrical and Electronics Engineers (IEEE)
- Latest
- IEEE Std C37.21-2017
- Scope
- Ratings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as switches, control devices, instrumentation, metering, monitoring, alarms, annunciators, protective and auxiliary relays, and regulating devices and accessories are covered in this standard. It includes, but is not specifically limited to, switchboards for the control and protection...
IEEE Std C37.21-2017 history
- 2017 IEEE Std C37.21-2017 IEEE Standard for Control Switchboards
- 1970 IEEE Std C37.21-2005 IEEE Standard for Control Switchboards
- 1985 IEEE Std C37.21-1985 Control switchboards
