The plastic cover on the charger's exchangeable plugs can come loose and separate, exposing internal components that pose an electrocution hazard if touched while the plug remains in a live socket.
Throat collars have been decertified by BNQ in Canada due to the risk that a skate blade could penetrate the collar, posing a laceration hazard to the throat.
The batteries used in the transmitters can fail to emit a low battery warning leading the user to believe the transmitter is functioning and not generate a warning.