IEC 60060 establishes international standards for high-voltage test techniques and measuring systems, covering AC, DC, and impulse voltage tests to evaluate insulation performance. The 2025/2026 revisions (4th edition) updated definitions, expanded scope for combined voltages, and adjusted tolerances for equipment above 800 kV. Learn more about the IEC 60060 series at IEC webstore . IEC Webstore +2 AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 3 sites IEC 60060:2026 SER Feb 13, 2026 —