Safety agencies are warning not to buy electrical appliances, such as extension leads or multiplug adapters online if the retailer does not have a contactable Swiss address.
The Federal Inspectorate of Heavy Current Installations says it regularly checks items on sale and 11% are found to be defective.
They could cause shocks or fires.
It banned 117 items last year.
Consumers should also be careful of buying rechargeable batteries or chargers online.
Trees down, power out across western Switzerland
Western parts of the country are picking up the pieces after storm Benjamin swept through the region yesterday.
Police frank about French crime wave
Two gun shops in the Lausanne area have been hit by French robbers within a week.
Skiing to be more expensive this season
Skiers in Switzerland will pay a little more this winter.
Thousands struggle with basic skills
In Switzerland, about 15% of adults struggle with basic reading, math, and problem-solving skills - that’s roughly 850,000 people.
Army sergeant throws cat at recruits
A shocking video from a Swiss barracks in Lenzburg, canton Aargau, has sparked outrage.
Clock change sends people to the ER
Clocks change at the end of the week - and it could be dangerous - as it sends more people to hospital.
