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Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones. Original standard IEC 60655-1979 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC TS 61094-7-2006

Non-ionizing radiation hazards in the frequency range from 10 MHz to 300 000 MHz. CEI/IEC 60657:1979. Original standard IEC 60657-1979 in PDF full version. Additional info + preview on request

Document status: Active

Insulators - Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V up to but not including 300 kV. CEI/IEC 60660:1999. Original standard IEC 60660-1999 in PDF full version. Additional info + preview on request

Document status: Active

Methods for measuring the performance of electric household coffee makers. Original standard IEC 60661-2006 in PDF full version. Additional info + preview on request

Document status: Active

High-pressure sodium vapour lamps - Performance specifications. IEC 60662:2011. Original standard IEC 60662-2011 in PDF full version. Additional info + preview on request

Document status: Active

Insulation coordination for equipment within low-voltage supply systems – Part 1: Principles, requirements and tests. Consolidated version (CSV). IEC 60664-1:2020-05+AMD1:2025-05 CSV(en). Original standard IEC 60664-1-2025 in PDF full version. Additional info + preview on request

Document status: Active