CE plus CE does not equal CE

The CE + CE = CE approach to EMC compliance is often used by control panel builders, systems integrators, and personal computer assemblers. Unfortunately it does not work.  (And it does not work for the Low Voltage Directive either.)

The only EMC directive court cases so far held in the UK have shown that the CE + CE approach does not have legal validity. Most EMC test laboratories will also tell you that they have never tested a control panel made using CE + CE approach that passed the tests that need to be applied when declaring compliance with the EMC directive.  

So why doesn’t this tempting approach actually work, and can anything be done to make it work?

First published in Compliance Engineering’s 1999 Annual Reference Guide

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