IEEE C37.20.7-2007/Cor 1-2010
Enclosed Switchgear Rated up to 38 kV for Internal Arcing Faults Corrigendum 1
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About This Item
C37.20.7-2007/Cor 1-2010 is a corrigendum to the enclosed switchgear standard for equipment rated up to 38 kV for internal arcing faults. It is relevant to power, energy, and industrial applications where switchgear safety and containment are critical. By clarifying the technical requirements in C37.20.7-2007/Cor 1-2010, this document helps support more consistent design, testing, and compliance decisions for medium-voltage enclosed switchgear used in demanding electrical systems.
About C37.20.7-2007/Cor 1-2010
This technical document addresses enclosed switchgear performance under internal arcing fault conditions, with a focus on rated equipment up to 38 kV. The corrigendum updates or corrects the base requirements in C37.20.7-2007/Cor 1-2010, helping readers apply the standard more accurately in engineering and procurement work. It is especially useful where fault containment, enclosure integrity, and personnel protection are key design and verification concerns for switchgear assemblies.
Where is C37.20.7-2007/Cor 1-2010 used?
C37.20.7-2007/Cor 1-2010 is typically used in medium-voltage switchgear specifications, design reviews, and testing programs for enclosed equipment in utility, industrial, and infrastructure settings. It is relevant when engineers evaluate arcing fault behavior, enclosure performance, and rating compliance for systems up to 38 kV. The standard may also be referenced during equipment selection, factory acceptance planning, and documentation checks for switchgear intended for controlled electrical distribution environments.
Importance in practice
In practice, this standard matters because internal arcing fault performance is closely tied to safety, reliability, and asset protection. Using C37.20.7-2007/Cor 1-2010 can help teams align design details, test expectations, and procurement language around the same technical requirements. That reduces ambiguity when specifying enclosed switchgear and supports more consistent compliance verification. For manufacturers and buyers alike, it can lower risk by improving how fault-related performance is defined and reviewed.
- Enclosed switchgear up to 38 kV
- Internal arcing fault requirements
- Corrigendum to the base standard
- Medium-voltage safety and containment
- Design, testing, and compliance reference
- Publication Date: 2010
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems; Communication, Networking and Broadcast Technologies
- Official IEEE: Doi link
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