IEC 61857-21 Ed. 3.0 b:2009
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
standard by International Electrotechnical Commission, 05/13/2009
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
standard by International Electrotechnical Commission, 05/13/2009
Medical electrical equipment – Characteristics of digital X-ray imaging devices – Part 1: Determination of the detective quantum efficiency
standard by International Electrotechnical Commission, 10/23/2003
Balance-of-system components for photovoltaic systems – Design qualification natural environments
standard by International Electrotechnical Commission, 03/29/2005
Digital audio – Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 – Part 11: MPEG-4 AAC and its extensions in LATM/LOAS
standard by International Electrotechnical Commission, 05/19/2010
Secondary cells and batteries containing alkaline or other non-acid electrolytes – Safety requirements for portable sealed secondary lithium cells, and for batteries made from them, for use in portable applications – Part 2: Lithium systems
standard by International Electrotechnical Commission, 02/07/2017
Amendment 1 – Railway applications – Fixed installations – DC switchgear – Part 1: General
Amendment by International Electrotechnical Commission, 04/29/2014
Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) – Outside plant cables – Part 5: Filled drop cables – Sectional specification
standard by International Electrotechnical Commission, 06/23/2005
Photovoltaic pumping systems – Design qualification and performance measurements
standard by International Electrotechnical Commission, 07/15/2011
Energy management system application program interface (EMS-API) – Common Grid Model Exchange Specification (CGMES)
standard by International Electrotechnical Commission, 11/22/2018
Photovoltaic (PV) module performance testing and energy rating – Part 2: Spectral responsivity, incidence angle and module operating temperature measurements
standard by International Electrotechnical Commission, 09/06/2016