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IEC 62052-21 Ed. 1.0 b:2004

Electricity metering equipment (a.c.) – General requirements, tests and test conditions – Part 21: Tariff and load control equipment
standard by International Electrotechnical Commission, 05/18/2004

IEC 62067 Ed. 1.1 b:2006

Power cables with extruded insulation and their accessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV) – Test methods and requirements CONSOLIDATED EDITION CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 03/14/2006

IEC 61850-4 Ed. 2.0 b:2011

Communication networks and systems for power utility automation – Part 4: System and project management
standard by International Electrotechnical Commission, 04/11/2011

IEC 62056-46 Ed. 1.0 en:2002

Electricity metering – Data exchange for meter reading, tariff and load control – Part 46: Data link layer using HDLC protocol
standard by International Electrotechnical Commission, 02/18/2002

IEC 61992-4 Amd.1 Ed. 1.0 b:2015

Amendment 1 – Railway applications – Fixed installations – DC switchgear – Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
Amendment by International Electrotechnical Commission, 09/28/2015

IEC 62053-21 Ed. 1.1 b:2016

Electricity metering equipment (a.c.) – Particular requirements – Part 21: Static meters for active energy (classes 1 and 2) CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 11/18/2016

IEC 61937-5 Ed. 2.0 en:2006

Digital audio – Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 – Part 5: Non-linear PCM bitstreams according to the DTS (Digital Theater Systems) format(s)
standard by International Electrotechnical Commission, 01/26/2006

IEC 61857-31 Ed. 1.0 en:2017

Electrical insulation systems – Procedures for thermal evaluation – Part 31: Applications with a designed life of 5 000 h or less
standard by International Electrotechnical Commission, 01/24/2017