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Common Causes of Flickering Lights in Your Home
Common Causes of Flickering Lights in Your Home
13/Feb/2026

As a property owner, nothing is more frustrating than a flickering light disrupting your routine and causing discomfort. While there are many causes for this electrical problem, a faulty or damaged switch is often the main problem. That’s where Mr. Handyman comes in as your trusted home improvement partner for quality light switch replacement services. Our seasoned handyman team in Newtown, PA can inspect, detect, and fix the root cause, restoring proper illumination throughout.

Common Causes of Flickering Lights in Your Home

Why Are My Lights Flickering?

One of the most common reasons for flickering or dimming lights is failing switches. However, it is not the only cause, hence the need to consult a reputable handyman for an accurate diagnosis. Let’s delve into other reasons for this problem to ensure early intervention.

Loose Bulb

A flickering light in the kitchen or outside is not always due to a complex problem, but something as simple as a loose bulb. Check the connection between the bulb and the socket to ensure it is secure. Over time, bulbs can loosen, creating weak connections that cause the light to dim or flicker on and off. Turn off the light switch and tighten the bulb to resolve the problem and restore proper lighting throughout your space. If this doesn’t work, call a trusted handyman service to inspect your lighting fixture and determine the best course of action.

Wrong Bulb Type

Dimmer switches are common in residential properties due to potential energy savings, longer bulb life, and customizable ambiance. If you have fitted dimmer switches, flickering lights may be a result of compatibility issues. Check if the bulbs are dimmable, as some bulbs are not designed for dimming lights and flicker when turned on. The most effective way to ensure that your lights are dimmable is to use the right bulbs in all areas with this setting. You can check the packaging before purchasing bulbs or hire a handyman to handle the entire process.

A Failing Switch or Plug

As mentioned, the most common cause of flickering lights is a damaged switch. If replacing bulbs and ensuring a secure connection does not resolve the problem, the issue could be with the switch or plug. Check if the on-off switch works, and if the bulb flickers when you give it a wiggle, the switch is likely faulty. Electrical work should be left to professionals, and a light switch replacement is no exception. Handyman services also ensure the plug is not damaged and that the wires and not frayed, preventing recurring issues and costly repairs.

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Overloaded Circuits

Another reason for frequently flickering lights is too many fixtures or appliances running simultaneously on one circuit. Prolonged overloading can cause dips in power that make lights dim or flicker. This is a common occurrence in older homes with outdated electrical systems, as they cannot handle the demands of modern fixtures. If you think this is the problem, call a professional to assess your layout, discuss your needs, and determine whether a full overhaul or repair is needed.

Old Circuit Breaker

Finally, old or outdated circuit breakers can be the cause of flickering lights. Even if your home’s electrical system is powering appliances and devices, using a circuit breaker that is not standard can cause hazardous situations. If your circuit breaker was serviced over 5 years ago or is near the end of its lifespan, upgrading to a newer system with surge protection may be the best solution. Modern circuit breakers protect your home from voltage spikes, reducing the chances of electrical fires.

If you try all these solutions and your lights still flicker, contact Mr. Handyman to investigate further. Our trained and experienced handyman team can pinpoint the main problem, assess the extent of the damage, and recommend the best course of action.

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