MT 15 - TC 81/MT 15
TC 81/MT 15
General Information
Frequently Asked Questions
MT 15 is a Technical Committee within the International Electrotechnical Commission (IEC). It is named "TC 81/MT 15". This committee has published 41 standards.
MT 15 develops IEC standards in the area of Information technology. Currently, there are 41 published standards from this technical committee.
The International Electrotechnical Commission (IEC) is the world's leading organization for the preparation and publication of international standards for electrical, electronic, and related technologies. Founded in 1906, the IEC provides a global platform for companies, industries, and governments to meet, discuss, and develop the international standards they require.
A Technical Committee (TC) in IEC is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.
IEC 62561-6:2018 specifies the requirements and tests for devices intended to count the number of lightning strikes based on the current flowing in a conductor. This conductor may be part of a lightning protection system (LPS) or connected to an SPD installation or other conductors, which are not intended to conduct a significant portion of lightning currents.
LSCs may also be suitable for use in hazardous atmospheres and there are therefore extra requirements necessary for the components to be installed in such conditions.
This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) removal of previous classification and introduction of a simple division into Type I for impulses (direct lightning current detection) and Type II for lightning surge current detection, with appropriate testing for each type;
b) modification and addition of terms and definitions;
c) addition of a new Annex C (tests flow chart).
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IEC 62561-7:2018 specifies the requirements and tests for earthing enhancing compounds producing low resistance of an earth termination system.
This second edition cancels and replaces the first edition, published in 2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) information concerning the execution of the test for the determination of the resistivity in 5.4.3;
b) addition of Annex A for the assessment of the corrosion load.
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