alt Hacker NewsNo, you actually don't have to do the testing, except in some special circumstances (e.g. childrens' toys). Generally, the "CE" mark is a self-certification done by the manufacturer or importer that certifies that the product meets certain (category-specific) criteria. You can do the proper thing, test your product and then certify it. But it is also possible and usually legal to just issue the certificate based on a self-assessment and deal with the fallout later, if there ever is any. That's how basically all non-EU manufacturers and importers get their CE mark...
https://europa.eu/youreurope/business/product-rules-complian...
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> except in some special circumstances (e.g. childrens' toys)
Don't nearly all electronics fall under it too, this is the second item after children toys in the link you posted.
> Here is a non-exhaustive list of products that are included in EU laws about CE marking:
> Toys, drones, electrical and electronic equipment, pyrotechnic products, recreational crafts and watercraft
I think there's 2 separate things at play.
Most products don't require testing by a notified body. That means anyone can do the testing - or even you could do it at home. The CE mark is self-assessed - you don't have to get a lab to issue it to you.
But electronics does have to conform with various electromagnetic compatibility rules. There's effectively no way to prove that without doing EMC testing. Most non-EU manufacturers will still do EMC testing in a lab, perhaps in China. That test report becomes part of the product's technical file.
My point is that if you take a module from a 3rd party and integrate it into a larger electronic product, it no longer has the same behaviour from an EMC point of view. You have no evidence that it meets the harmonised standards for electromagnetic compatibility. Realistically, probably nobody will ever notice. But if they do, you don't have evidence that your product complies with the standard.