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6 votes
3 answers
803 views

CE-compliant Schuko mains power switch: do I need to switch both poles?

I am currently revising a plug-in power meter (i.e. a power meter that you plug into mains, then plug the DUT into it) for CE compliance. It features power switching using a latching relay, only on ...
user36129's user avatar
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1 vote
2 answers
359 views

Mains isolation is mandatory for UL/CE/CSA compliance and other certification?

I have a design with a non user accesible low voltage section. Is mandatory to do mains isolation to pass succesfully UL/CE/CSA despite my low voltage section is not accesible for user?
Jairo Andres Velasco Romero's user avatar