What Are the Causes of Lights Flickering in a House?
Even correctly installed light fixtures may flicker in times of high electrical load. Chris Clinton/Lifesize/Getty Images The electrical system of a home, especially an older home, can be difficult to diagnose and repair. Flickering lights are a typical complaint from homeowners, and can reflect underlying problems of varying significance. However, keep in mind some flickering of lights due to electrical resistance is normal, and almost unavoidable in many older homes and neighborhoods. Loose Circuit Connections Loose circuit connections are among the most common causes for lights flickering in a home. This is potentially the most dangerous problem, as a loose connection leads to high resistance, which can lead to arcing and point heating, a fire hazard. A Breaker Switch Starting to Fail A breaker switch just about to fail is another common cause for flickering lights. This is of concern, but not as big a deal, as you just have find and replace the defective switch. High Electrical Loa
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