Everyone uses them for appliances and especially home electronics. But overloading and improper use of extension cords leads to an estimated 20 house fires a day.

"Not only do these fires cause millions of dollars in property damage, they're also responsible for fire-related injuries and deaths," said Captain Bill May, a fire safety expert.

Firefighters stress the warning every October during National Fire Safety Month. So again this year, fire safety experts are advising the use of special extension cords that automatically shut off before a fire can start. They're called "Fire Shield" and sell for about $11 in most major hardware stores.

A built-in sensor detects potential damage. If it's run over by a vacuum cleaner, overloaded , or chewed on by a pet the sensor automatically shuts off power before a fire can start.

Fire prevention experts say regardless of the extension cord you use, check the rating and make sure it matches the maximum electrical load for what you have plugged in.

Also, feel the cord when it's in use. If it's hot to the touch, stop using it. And never cover extension cords with rugs or furniture, and throw away any extension cord that's frayed or damaged in any way.

And as long as you're double checking extension cords, make sure you have working fire extinguishers, especially in the kitchen.

If your house has more than one story, make sure you have a fire ladder so you can get out safely from a window or second story deck. And be certain all your smoke detectors work.

Every year, local people die in house fires because the smoke detectors that could save lives don't sound the alarm.

For More Information:

Fire Safety Tips -- www.nfpa.org

Extension Cord Safety -- www.cpsc.gov -- www.usfa.fema.gov

To check for extension cord recalls -- www.cpsc.gov