IEEE 80-1986

IEEE 80-1986 is a technical guide for safety in AC substation grounding, written for power and energy applications where grounding design affects personnel protection and system reliability. It addresses how substations should be grounded to help control touch and step voltage hazards and to support safer operation under fault conditions. As a superseded standard, IEEE 80-1986 remains relevant for understanding earlier grounding practices and for reviewing legacy installations or documentation.

Overview of IEEE 80-1986

This standard provides guidance for AC substation grounding with a focus on safety-oriented engineering decisions. IEEE 80-1986 is commonly used to evaluate grounding layouts, conductor arrangements, and protective measures intended to reduce electrical shock risk in substation environments. Its technical context is centered on power-system grounding performance rather than general electrical installation practice, making it especially useful when comparing design approaches, assessing existing substations, or interpreting older compliance records.

Typical use cases

IEEE 80-1986 is typically consulted when designing or reviewing grounding systems for AC substations, switchyards, and related power facilities. It may help engineers consider grid configuration, bonded equipment, fault-current paths, and safety conditions around operating areas. The document is also useful during refurbishment of legacy substations, procurement of grounding-related engineering services, and technical reviews where grounding safety must be understood in the context of utility or industrial power infrastructure.

Why it matters

Grounding is a core safety function in substations, and IEEE 80-1986 helps provide a structured basis for those decisions. Using a recognized guide supports consistent engineering review, safer design choices, and clearer communication between owners, designers, and maintenance teams. It can also reduce risk during fault events by informing how grounding practices are assessed and documented. For organizations managing older facilities, IEEE 80-1986 offers important reference value for legacy grounding considerations.

• AC substation grounding safety
• Touch and step voltage considerations
• Legacy power-system grounding reference
• Utility and industrial substation applications