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Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 100- Requirements and proposals for the IEC 61850 series data model extensions to support fault passage indicators applications. IEC TR 62689-100:2016-10(en). Original standard IEC TR 62689-100-2016 in PDF full version. Additional info + preview on request

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Hydrogen effects in optical fibre cables - Guidelines. IEC TR 62690:2014-06(en). Original standard IEC TR 62690-2014 in PDF full version. Additional info + preview on request

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Optical fibre cables - Guidelines to the installation of optical fibre cables. IEC TR 62691:2016-06(en). Original standard IEC TR 62691-2016 in PDF full version. Additional info + preview on request

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Luminaires - Application of the IK code IEC 62262. Original standard IEC TR 62696-2011 in PDF full version. Additional info + preview on request

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Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 2- Test method for quantitative determination of total corrosive sulfur (TCS). IEC TR 62697-2:2018-02(en). Original standard IEC TR 62697-2-2018 in PDF full version. Additional info + preview on request

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Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 3- Test method for quantitative determination of elemental sulfur. IEC TR 62697-3:2018-02(en). Original standard IEC TR 62697-3-2018 in PDF full version. Additional info + preview on request

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