It is not legal to place electrical equipment on the market for which nobody has assumed producer responsibility.
Private users can check whether producers/importers have assumed the statutory producer responsibility for a given electrical product. You can look for the statutory symbol of the crossed-out wheeled bin, and you can search for brand or company name in the national producer register in the search field in the upper right-hand corner.
Consumers may reduce WEEE arisings by:
Consumers may also choose to buy eco-friendly products, for instance products without brominated flame retardants.
The Danish Environmental Protection Agency mentions on their website various options for private consumers discarding electrical equipment. You may for instance: