Even while not in use, these devices may overheat or develop electrical issues. Some air fryers and toaster ovens contain weak wiring or inexpensive internal components that may malfunction over time, resulting in short circuits or spontaneous ignition.

Leaving them plugged in overnight raises the risk of an electrical fire, especially if your outlet is not of high quality or if there is a power surge. Fire Safety Devices

Other hazardous appliances include electric kettles, coffee makers, and old microwaves, although air fryers and toaster ovens have received special attention recently due to an increase in incident reports.