Home electrical problems start an estimated 53,600 fires each year, according to the Electrical Safety Foundation International. These fires cause more than 500 deaths and 1,400 injuries, and account for more than $1.4 billion in property damage. Many home electrical fires, however, can be prevented if you’re able to recognize and address a few common warning signs.
Most people don’t give too much thought to what’s behind their walls. Yet every time you flip a light switch or use your toaster, you are drawing on your home’s internal wiring and that can cause big problems if your wiring is old or damaged. In fact, overloading an older home’s wiring can spark a fire.
Smoke from an outlet, an appliance, or along a baseboard is a sure sign of trouble. At the first hint of smoke, turn off all appliances and check for problems. You may also want to turn off the main circuit breaker until the source of the smoke is identified.
 DIMMING LIGHTS
If the ceiling lights dim when you turn on a microwave or vacuum cleaner, you may be overloading the circuits or the wiring. To be on the safe side, check the wiring and circuit breaker to that section of your home.
 LOOSE CONNECTIONS
Over time, the connections between electrical wires and switches or outlets can loosen. Check to make sure that all outlet covers and switch plates are in good condition and that the wires inside are secure. Replace any missing, cracked, or broken plates promptly.
 RODENT DAMAGE
Mice and rats love to chew on electrical wiring go figure. If you spot droppings or other signs of rodents activity, do a thorough check of all the wiring in the area to make sure it is not damaged.
 FRAYED WIRE
Wires can fray or crack from age, heat, corrosion, or bending. They can also be nicked, pinched, or pierced by nails or screws. Damaged wires are dangerous and should be replaced by a professional.
 EXCESSIVE HEAT
All outlets and switches should be cool to the touch. Warm spots or scorch marks are strong indications of an unsafe wiring condition.
 TRIPPING CIRCUIT
If you are constantly forced to reset your circuit breakers, it could be a sign that the circuits are overloaded. A qualified licensed electrician can help you assess the load on your circuits and make recommended improvements.
 POPPING, CRACKLING, OR BUZZING
If you hear crackling, sizzling, or buzzing noises coming from outlets, switches, or appliances, you could have a serious problem. Turn off electricity to the affected area and call a licensed electrician right away.
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