High-voltage direct current (HVDC) transmission - Vocabulary (IEC 60633:2019 + COR1:2020); German version EN IEC 60633:2019 + AC:2020
Edition 2021-07

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss (IEC 61300-3-6:2008); German version EN 61300-3-6:2009
Edition 2009-09

Equipment reliability testing - Part 6: Tests for the validity and estimation of the constant failure rate and constant failure intensity (IEC 60605-6:2007)
Edition 2007-11

Transmission of audio and/or video and related signals using infrared radiation - Part 8-1: Digital audio and related signals (IEC 61603-8-1:2003); German version EN 61603-8-1:2004
Edition 2004-08

Methods of measurement for equipment used in terrestrial radio-relay systems; simulated systems; measurements for monochrom and colour television transmission; identical with IEC 60487-3-3, edition 1981
Edition 1988-02

Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response (IEC 61094-6:2004); German version EN 61094-6:2005
Edition 2005-05

Connectors for use in d.c., low-frequency analogue and digital high speed data applications - Part 7: Cable outlet accessories with assessed quality, including qualifications and capability approval; Sectional specification (IEC 61076-7:2000); German version EN 61076-7:2000
Edition 2001-06

Ultrasonics - Pulse-echo scanners - Part 2: Measurement of maximum depth of penetration and local dynamic range (IEC 61391-2:2010); German version EN 61391-2:2010
Edition 2010-09

Electrical and electronic installations in ships - Electromagnetic compatibility (EMC) - Ships with a metallic hull (IEC 60533:2015)
Edition 2021-05

Helical-scan digital composite video cassette recording system using 12,65 mm (0,5 in) magnetic tape, format D3 (IEC 61327:1995); German version EN 61327:1995
Edition 1996-05