IEEE C57.12.52-1981
Voltage 208Y/120 to 4160 Volts
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About This Item
C57.12.52-1981 is a technical standard for power and energy applications that addresses equipment for systems ranging from 208Y/120 volts to 4160 volts. It provides a focused reference for voltage-related design and performance expectations, helping engineers, purchasers, and maintenance teams work from a common basis. For organizations handling medium-voltage and lower-voltage electrical equipment, C57.12.52-1981 can support clearer specification, evaluation, and compliance decisions.
About C57.12.52-1981
This standard is centered on voltage classes used in electrical power systems, with the subtitle indicating coverage from 208Y/120 to 4160 volts. In practice, that kind of scope is often relevant to equipment selection, ratings, insulation considerations, and performance verification for power applications. C57.12.52-1981 serves as a technical document that can help align design and procurement requirements with the intended electrical service conditions. Its inactive status makes it useful as a historical or reference specification.
Where is C57.12.52-1981 used?
C57.12.52-1981 is typically relevant in power distribution environments where equipment must operate within defined voltage ranges, including facility electrical systems, utility-connected installations, and industrial power networks. The standard may be consulted when specifying, comparing, or reviewing electrical equipment intended for 208Y/120-volt through 4160-volt service. It can also be useful in engineering documentation, maintenance planning, and legacy equipment support where matching the correct voltage basis is important.
Importance in practice
Using C57.12.52-1981 helps reduce ambiguity in voltage-related requirements, which supports safer and more consistent engineering decisions. Clear technical references are especially important when selecting equipment, checking ratings, or confirming that a design matches the intended power system. For compliance and procurement workflows, the standard can help improve consistency between specifications, testing expectations, and delivered equipment. That is particularly valuable in power applications where incorrect voltage assumptions can create operational risk.
- Voltage range: 208Y/120 to 4160 volts
- Power and energy application focus
- Useful for equipment specification and review
- Inactive standard for reference use
- Supports rating and compliance checks
- Publication Date: 1981
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: C57.12.52 (2024)
- Previous Version: C57.12.52 (2013)
- This Version: C57.12.52 (1981)
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