International EMC standards can be confusing to the newcomer. The IEC has posted a chart as to how the various standards organizations are organized.
The first level of organization is the committees, such as TC77, CISPR, and various product committees. These committees have liaisons with associated standards organizations, such as ISO, ITU, CENELEC, and many others. Many of these groups have working relationships with national, regional, and international organizations. In the U.S., for example, one of the primary standards organizations is ANSI.
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