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.
Summer fires increase
Firefighters across French-speaking Switzerland tackled far more vegetation fires this summer than in any of the past five years
Cheese production suffers after hottest summer on record
This summer's heat has hit Swiss Gruyère cheese production
Music festival in Lausanne this weekend
Lausanne hosts one of the country's biggest showcases of Swiss music this weekend, with 66 free concerts across ten venues from Friday to Sunday
Time limit announced by Lausanne city council
Lausanne's city council has given the municipality six months to ban ventral pinning by its police force
Potential new bank coming to Switzerland
Fintech giant Revolut is applying for a full Swiss banking licence and wants to become Swiss customers' everyday bank
First new AVS payment due
Swiss pensioners will receive their first 13th AVS payment in December, averaging around CHF 1,580
