IEEE 525-1978 PDF | Request Standard
Historical

IEEE 525-1978

Voltage Cable Systems in Substations

Standard by IEEE, 1978

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  • Availability: Immediate Download
  • Language: English
  • License Type: Single User
  • Updates: Not Included
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  • Language: English
  • License Type: Enterprise / Multi User
  • Updates: Included

About This Item

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525-1978 is a superseded standard for voltage cable systems in substations, providing technical guidance for components, circuits, devices, and system-level application. It is relevant where cable arrangements must support reliable power transmission and controlled equipment connections within substation environments. For engineers, specifiers, and procurement teams, the document helps frame design and evaluation expectations for cable systems used in power and energy installations.

525-1978 overview

This technical document addresses voltage cable systems as used in substations, where electrical performance, insulation, routing, and termination details can affect operational reliability. The scope suggested by 525-1978 is focused on the practical engineering of cable-based connections in power infrastructure rather than general wiring. It is most useful when reviewing design choices, coordinating equipment interfaces, or comparing requirements for substation cabling against established guidance.

Typical use cases

525-1978 may be used when specifying or reviewing cable systems for substation bus connections, feeder circuits, control and auxiliary power links, and other installation points where voltage cables interface with components and devices. It can support design checks for cable selection, layout, and installation practices in power utility environments. The standard is also relevant during procurement or refurbishment work where consistent technical requirements are needed for substation cable assemblies and related engineering documentation.

Why this standard matters

Standards such as 525-1978 help reduce ambiguity in substation cable design and selection, which can improve consistency across projects and suppliers. By providing a defined reference for voltage cable systems, it supports safer integration of components, clearer compliance review, and more reliable testing and acceptance processes. Because it is superseded, it is especially useful when evaluating legacy installations, archival specifications, or older engineering records tied to substation infrastructure.

  • Voltage cable systems in substations
  • Component and circuit coordination
  • Engineering and installation reference
  • Legacy specification and review use
  • Power and energy infrastructure applications
SKU: 37ad9831a3cb

  • Publication Date: 1978
  • Standard Status: Superseded
  • Publisher: IEEE
  • Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
  • Official IEEE: Doi link
  • New Version Available: 525 (2025)
  • Previous Version: 525 (2016)
  • Previous Version: 525 (2008)
  • Previous Version: 525 (1993)
  • Previous Version: 525 (1988)
  • This Version: 525 (1978)

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