Superseded Standard

IEEE C37.20.4-2001

IEEE Standard for Indoor AC Switches (1 kV - 38 kV) for Use in Metal-Enclosed Switchgear

Indoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These include stationary or drawout, manual or power operation, fused or unfused.

Sponsor Committee
PE/SWG - Switchgear
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Status
Superseded Standard
PAR Approval
1999-06-26
Superseded by
C37.20.4-2013
Superseding
C37.20.4-1996
Board Approval
2001-03-17
History
ANSI Approved:
2001-08-02
Published:
2001-08-10
Reaffirmed:
2006-11-16

Working Group Details

Society
IEEE Power and Energy Society
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Sponsor Committee
PE/SWG - Switchgear
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Working Group
SA - Switchgear Assemblies Subcommittee
IEEE Program Manager
Ashley Moran
Contact
Working Group Chair
T W Olsen
No Active Projects
No Active Standards

C37.20.6-1997

IEEE Standard for 4.76 kV to 38 kV Rated Grounding and Testing Devices Used in Enclosures

Drawout type grounding and testing (G&T) devices for use in medium-voltage metal-clad switchgear rated above 4.76 kV through 38 kV are covered. The description, design, and testing of these accessory devices that are inserted in place of drawout circuit breakers for the purpose of grounding and testing are also covered.

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C37.20.7-2001

IEEE Guide for Testing Medium-Voltage Metal-Enclosed Switchgear for Internal Arcing Faults

Superseded by IEEE Std C37.20.7-2007. A procedure for testing and evaluating the performance of metal-enclosed switchgear for internal arcing faults is covered. A method of identifying the capabilities of this equipment is given. Service conditions, installation, and application of equipment are also discussed.

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No Inactive-Withdrawn Standards
No Inactive-Reserved Standards
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