Fixed capacitors for use in electronic equipment - Part 4-1: Blank detail specification - Fixed aluminium electrolytic capacitors with non-solid electrolyte - Assessment level EZ (IEC 60384-4-1:2007)
Edition 2008-01-01

Connectors for electronic equipment - Tests and measurements - Part 4-1: Voltage stress tests - Test 4a: Voltage proof (IEC 60512-4-1:2003)
Edition 2004-02-01

Radio frequency and coaxial cable assemblies - Part 4-1: Blank detail specification for semi-rigid coaxial cable assemblies (IEC 60966-4-1:2003)
Edition 2004-08-01

Industrial communication networks - Fieldbus specifications - Part 4-1: Data-link layer protocol specification - Type 1 elements (IEC 61158-4-1:2014) (english version)
Edition 2015-10-01

Radio-frequency connectors - Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors (IEC 61169-41:2011) (german version)
Edition 2012-02-01

Materials for printed boards and other interconnecting structures - Part 4-1: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability (IEC 61249-4-1:2008)
Edition 2008-12-01

Waveguide type dielectric resonators - Part 4-1: Blank detail specification (IEC 61338-4-1:2005)
Edition 2006-03-01

Liquid crystal display devices - Part 4-1: Matrix colour LCD modules - Essential ratings and characteristics (IEC 110/481/CDV)
Edition 2013-10-01

Liquid crystal display devices - Part 4-1: Matrix colour LCD modules - Essential ratings and characteristics (IEC 61747-4-1:2004)
Edition 2005-07-01

Electricity metering equipment - Dependability - Part 41: Reliability prediction (IEC 62059-41:2006)
Edition 2007-03-01