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Current and voltage sensors or detectors, to be used for fault passage indication purposes - Requirements and proposals for the IEC 61850 series data model extensions to support fault passage indicators applications. Original standard PD 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. Original standard PD 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. Original standard PD 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 PD 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 - Test method for quantitative determination of total corrosive sulfur (TCS). Original standard PD 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 - Test method for quantitative determination of elemental sulfur. Original standard PD IEC TR 62697-3-2018 in PDF full version. Additional info + preview on request

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