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.
Geneva businesses call on govt to protect against G7 violence
Business groups in Geneva are raising alarm ahead of the upcoming G7 summit in nearby France, fearing a repeat of past unrest.
Airport reports fewer passengers
Geneva Airport has reported a year of sluggish growth, as external pressures weigh on performance.
Two drivers face murder charges after cyclist killed
Two motorists could stand trial this year in Geneva over a deadly hit-and-run involving a cyclist.
Biker heavily fined for tailgating
A motorcyclist has been heavily fined after a dangerous tailgating incident on an autoroute.
CERN moves antimatter in a truck
Scientists at CERN have achieved a world first by successfully transporting antimatter across their site.
High driver crashes into police car
A driver under the influence crashed into the back of a police car in Lucerne.
