IEC 63132-3 Ed. 1.0 b:2020

Guidance for installation procedures and tolerances of hydroelectric machines – Part 3: Vertical Francis turbines or pump-turbines
standard by International Electrotechnical Commission, 04/28/2020

IEC 60050-604 Ed. 1.0 t:1987

International Electrotechnical Vocabulary. Chapter 604: Generation, transmission and distribution of electricity – Operation
standard by International Electrotechnical Commission, 03/30/1987

IEC 60282-4 Ed. 1.0 b:2020

High-voltage fuses – Part 4: Additional testing requirements for high-voltage expulsion fuses utilizing polymeric insulators
standard by International Electrotechnical Commission, 04/16/2020

IEC 60099-8 Ed. 2.0 b:2018

Surge arresters – Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV
standard by International Electrotechnical Commission, 11/14/2017

IEC 60244-4 Ed. 1.0 b:1973

Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting
standard by International Electrotechnical Commission, 01/01/1973

IEC 60118-4 Ed. 2.0 b:2006

Electroacoustics – Hearing aids – Part 4: Induction loop systems for hearing aid purposes – Magnetic field strength
standard by International Electrotechnical Commission, 10/27/2006

IEC 60099-6 Ed. 1.0 en:2002

Surge arresters – Part 6: Surge arresters containing both series and parallel gapped structures – Rated 52 kV and less
standard by International Electrotechnical Commission, 08/14/2002