IEC Published New Edition of IEC 60287-1-1

IEC Published New Edition of IEC 60287-1-1 | In Compliance Magazine

The International Electrotechnical Commission has released a new edition of IEC 60287-1-1. IEC 60287-1-1 ed2.1 Consol. with am1 applies to “Electric cables – Calculation of the current rating – Part 1-1: Current rating equations (100 % load factor) and calculation of losses – General.” The new edition is available for purchase on the IEC’s website.


“IEC 60287-1-1:2006+A1:2014 Applicable to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.”

*Description from IEC website 

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