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Flickering Lights

Why Are My Lights Flickering?

Flickering lights might seem like the beginning of a bad horror movie, but it’s a very real occurrence for a lot of homeowners. Not only are flickering lights inconvenient and frustrating, but they’re sometimes dangerous, and a sure sign that something is wrong from an electrical perspective. Fortunately, a flickering light is a symptom — and there’s always a cure.

Why are the Lights in Your House Flickering?

Flickering lights can be caused by a loose plug or light bulb, or something more dangerous such as loose wiring. Faulty or loose wiring in your home is a fire hazard, so it's important to schedule an electrical safety inspection the moment you notice flickering lights.

Common causes of flickering lights:
  • Dimmer incompatibility. To the untrained eye, all dimmers look alike. But even identical dimmers can range significantly in price, brightness level, and type. Certain dimmers are compatible with certain light bulbs — such as LED, CFL, and incandescent bulbs — and when you don’t strike a perfect match, it becomes a problem. This is a common occurrence, especially as government-run programs offer free LEDs to help customers save money and energy. But the problem is, many of these free offers don’t include a proper assessment, and most people don’t have dimmers for LEDs. And when a dimmer is incompatible with a light bulb, it’s likely to blow out.
  • Loose wiring. Loose wiring is perhaps the most dangerous root cause, because it can be a fire hazard. Unfortunately, it’s impossible to tell whether this is the case without contacting an electrician to diagnose the problem.
  • Overloaded electrical service. An overloaded or unbalanced electrical service is another root cause of flickering lights. This is probably the issue if the flickering lights are often tied to an appliance starting up, like a dishwasher or microwave. If this is the problem, a licensed electrician can upgrade or repair your service.

Whatever the root cause of your flickering lights, it’s best to contact a licensed electrician that can properly diagnose and repair the issue. The root cause might be minor or major, but you never know until an electrician looks under the hood.

Count on HomeWiz

Here at HomeWiz, our staff of licensed electricians are experts at dealing with these types of electrical safety issues, and can provide you with reliable and professional solutions. We believe that no one else can match our level of care for our customers, and we provide up-front pricing and same-day service for your peace of mind.


Do you have flickering lights in your home? Call HomeWiz today at (617) 744-7549 or contact us online to schedule service with our team!


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