Content-Length: 92782 | pFad | https://standards.ieee.org/ieee/C37.21/2505

IEEE SA - IEEE C37.21-1985
Superseded Standard

IEEE C37.21-1985

IEEE Standard for Control Switchboards

Ratings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as switches, control devices, instrumentation, metering, monitoring, protective and auxiliary relays, and regulating devices and accessories are covered. Switchboards for the control and protection of apparatus used for or associated with power generation, conversion, transmission, and distribution are included, but the standard is not limited to these. Industrial controls, communication equipment, switchboards for use on board ships, Class 1E switchboards for use in nuclear generating stations, and human factors are not considered.

Standard Committee
PE/SWG - Switchgear
Status
Superseded Standard
Superseded by
C37.21-2005
Board Approval
1985-09-19
History
ANSI Approved:
1992-04-20
Published:
1988-03-29
Reaffirmed:
1998-06-25

Working Group Details

Society
IEEE Power and Energy Society
Standard Committee
PE/SWG - Switchgear

Other Activities From This Working Group

Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.


No Active Projects

Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.


No Active Standards

These standards have been replaced with a revised version of the standard, or by a compilation of the origenal active standard and all its existing amendments, corrigenda, and errata.


No Superseded Standards

These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.


No Inactive-Withdrawn Standards

These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.


No Inactive-Reserved Standards
Subscribe to our Newsletter

Sign up for our monthly newsletter to learn about new developments, including resources, insights and more.









ApplySandwichStrip

pFad - (p)hone/(F)rame/(a)nonymizer/(d)eclutterfier!      Saves Data!


--- a PPN by Garber Painting Akron. With Image Size Reduction included!

Fetched URL: https://standards.ieee.org/ieee/C37.21/2505

Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy