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  • Writer's pictureBrian Gann

Shedding Light on Flickering Lights: Causes and Solutions

Flickering Lights
Flickering Lights can be a sign of a much bigger issue!

Flickering lights are more than just an annoyance; they can be a sign of underlying electrical issues in your home. Whether it's a subtle flicker or a rapid strobe-like effect, understanding the causes and solutions for flickering lights is crucial for maintaining the safety and comfort of your residential space. In this comprehensive guide, brought to you by Gann Electric LLC, we'll delve into the common causes of flickering lights in residential homes and provide practical solutions to fix them.

Understanding Flickering Lights:

Before diving into solutions, it's essential to understand why your lights might be flickering. Flickering lights can result from various factors, including:

1. Loose Bulbs or Connections: Loose bulbs or connections in light fixtures can cause intermittent flickering as the electrical current fluctuates.

2. Voltage Fluctuations: Fluctuations in voltage supply from the utility company can cause lights to flicker, especially during periods of high demand or voltage drops.

3. Overloaded Circuits: Overloading a circuit with too many appliances or devices can strain the electrical system, leading to voltage fluctuations and flickering lights.

4. Faulty Light Fixtures: Aging or damaged light fixtures, sockets, or switches can cause flickering due to poor electrical connections or internal faults.

5. Dimmer Switches: Flickering lights may occur when using dimmer switches, especially if they are incompatible with LED or CFL bulbs or improperly installed.

6. Electrical Wiring Issues: Faulty wiring, damaged insulation, or loose connections in the electrical system can cause lights to flicker and pose fire hazards.

Now, let's explore how to diagnose and address these issues to restore stable lighting in your home.

Diagnosing and Fixing Flickering Lights:

1. Tighten Bulbs and Connections:

- Start by ensuring that all light bulbs are securely screwed into their sockets. Check for loose connections at the light fixture, switch, or electrical panel and tighten them as needed.

2. Replace Faulty Bulbs:

- If tightening the bulbs and connections doesn't resolve the issue, try replacing the bulbs with new ones to rule out faulty bulbs as the cause of flickering.

3. Address Voltage Fluctuations:

- Contact your utility company to investigate and address any voltage fluctuations in your area. Installing a voltage regulator or surge protector can help stabilize voltage supply to prevent flickering lights.

4. Balance Electrical Load:

- Avoid overloading circuits by redistributing appliances and devices to different circuits or installing additional circuits where necessary. Consider upgrading to a higher amperage electrical panel if your home's electrical demand exceeds its capacity.

5. Upgrade Light Fixtures:

- Replace old or damaged light fixtures with new, high-quality fixtures that provide stable electrical connections. Ensure that the fixtures are compatible with the type of bulbs you're using (e.g., LED, CFL, incandescent).

6. Check Dimmer Switches:

- If you have dimmer switches installed, verify that they are compatible with the bulbs being used and properly installed. Consider upgrading to dimmer switches specifically designed for LED or CFL bulbs if necessary.

7. Inspect Electrical Wiring:

- If flickering persists despite addressing other factors, consult a licensed electrician to inspect your home's electrical wiring. The electrician can identify and repair any wiring issues, such as loose connections, damaged insulation, or overloaded circuits, to ensure safe and reliable operation.


Flickering lights can be a symptom of various electrical issues in residential homes, ranging from minor annoyances to serious safety hazards. By understanding the common causes of flickering lights and implementing the appropriate solutions, homeowners can ensure stable and reliable lighting throughout their homes. If you're experiencing persistent flickering lights or are unsure how to address the issue, don't hesitate to contact Gann Electric LLC for professional assistance. Our team of experienced electricians is here to help diagnose and fix any electrical issues in your home, ensuring the safety and comfort of your household.

For more information visit or call us at 573-200-1293

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