Replace or repair loose or frayed cords on all electrical devices.
Avoid overloading outlets. Plug only one high-wattage appliance into each receptacle outlet at a time.
When possible, avoid the use of “cube taps” and other devices that allow the connection of multiple appliances into a single receptacle.
Consider having additional circuits or outlets added by a qualified electrician so you do not have to use extension cords.
Follow the manufacturer’s instruction for plugging an appliance into a receptacle outlet.