The "EN" prefix indicates that it is the European adoption of the international IEC 61326-1 standard. For products sold in the European Economic Area (EEA), compliance with EN 61326-1 is often mandatory to demonstrate conformity with the .
For use in domestic establishments and those directly connected to a low voltage power supply network. iTeh Standards Immunity Requirements (Clause 6)
: The original source for the international version (IEC 61326-1).
And somewhere on Earth, in a CENELEC committee room, a team of engineers who had argued for three years over that single 10 V/m limit continued their work, never knowing they had just saved a colony on Mars.