It is not legal to put electrical equipment on the market for which nobody has assumed producer responsibility.
Professional 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.
Professional users may reduce WEEE arisings by:
Professional users may also choose to buy eco-friendly products, for instance products without brominated flame retardants (Source: Wasteinfo.dk).
The Danish Environmental Protection Agency mentions on their website various options for professional users discarding electrical equipment. You may for instance: