IEC 61472:2013/COR1:2015

IEC 61472:2013/COR1:2015 is a corrigendum to the requirements for live working on a.c. systems in the 72.5 kV to 800 kV range, where minimum approach distances must be calculated with care. It matters for engineering teams, utilities, and contractors that rely on controlled working methods, technical review, and documented evaluation when planning work near energized equipment. Used alongside the parent document, IEC 61472:2013/COR1:2015 helps support safer and more consistent compliance workflows.

Overview of IEC 61472:2013/COR1:2015

This corrigendum is connected to IEC 61472:2013 and functions as a modifying reference rather than a standalone technical specification. Its focus is the calculation method for minimum approach distances in live working on high-voltage a.c. systems, which is a critical point for operational consistency and risk management. For organizations performing engineering documentation checks, conformity assessment preparation, or technical validation, the document helps ensure the parent reference is applied with the correct published correction in place.

Compliance applications of IEC 61472:2013/COR1:2015

IEC 61472:2013/COR1:2015 is relevant in procurement review, maintenance planning, and field-work authorization where minimum approach distances must be verified against an approved technical basis. It may be used by utilities, grid operators, contractors, and laboratories supporting documented evaluation of live working procedures for high-voltage a.c. installations. In compliance workflows, the corrigendum supports accurate technical assessment, helping teams align job planning, training materials, and internal procedures with the corrected parent document.

Importance of compliance with IEC 61472:2013/COR1:2015

Applying the corrigendum correctly can reduce ambiguity in engineering specification reviews and improve safety-focused decision-making during live working activities. For organizations managing electrical equipment and high-voltage work practices, it supports testing consistency, quality assurance, and conformity assessment preparation by ensuring calculations are based on the corrected publication record. In practical terms, that helps limit avoidable error, strengthens regulatory preparation, and improves confidence in operational procedures that depend on reliable approach-distance evaluation.

• Corrigendum linked to the parent reference IEC 61472:2013
• Supports calculation of minimum approach distances for live working on a.c. systems
• Relevant to high-voltage engineering, maintenance planning, and technical review
• Useful for compliance workflows, documented evaluation, and procedure control
• Helps maintain consistency in safety-critical conformity assessment activities