Faulty wiring can cause house fires and serious ... If you smell something burning when you flip a switch or plug in an appliance, it's time to call an electrician. This is a terrible sign ...

GFCI outlets reduce the danger of deadly shock from faulty plug-in cords and devices. A GFCI (ground fault circuit interrupter) is a special type of outlet that detects dangerous ground faults and ...

The fix: The most common reason for catalytic converter failure is a faulty spark plug. They cost about $10 and will trigger your 'check engine' light if they're out of whack. If your converter's ...