5 Causes of Flickering Lights in Your Home
We’ve all been there: You flip on a light, and it flickers for no apparent reason. Sometimes it’s harmless, but other times, it could be a warning that something isn’t quite right with your electrical system. What’s the good news? Most causes of flickering lights are fixable … if you know what to look for.
In this blog, we’ll guide you through some top causes and explain when it’s time to call in an experienced electrician.
Loose Lightbulbs
Let’s start with the simplest fix: loose lightbulbs. If a bulb isn’t screwed in properly, it can flicker because it’s not making proper contact with the socket. This often happens if the bulb was installed in a rush or just loosens over time.
If you notice flickering in one specific fixture:
- Check the bulb first.
- Turn off the light.
- Let it cool down.
- Give it a gentle twist to make sure it’s secure.
If the flickering continues, you may need to replace the bulb entirely. In most cases, though, this quick adjustment will resolve the issue.
Loose Plug Connections
Sometimes the problem is the plug connection. Over time, plugs can loosen in their sockets due to repeated use, leading to an inconsistent flow of electricity. This is especially common with lamps or plug-in fixtures.
If you suspect a loose connection, try unplugging the light and inspecting the plug and socket for any visible wear or damage. Then, plug it back in firmly. If the flickering stops, you’re likely good to go. However, if the outlet feels loose or the problem persists, it may be time to have the outlet repaired or replaced by an electrician.
Overloaded Circuits
Flickering lights may sometimes signal that your home’s electrical circuits are struggling to keep up with demand. This often happens when large appliances — like your HVAC system or refrigerator — kick on, causing a temporary surge in power.
Other signs of an overloaded circuit might include:
- Outlets or switches that feel warm
- Buzzing sounds
- A faint burning smell
Overloaded circuits can pose serious safety hazards; to keep your home safe, you should contact a licensed electrician who can assess your system, identify overloaded circuits, and install dedicated circuits for high-demand appliances.
A Bad Breaker
Over time, breakers can wear out, causing an unstable flow of electricity to the lights and outlets on that circuit.
If the breaker is failing, you might also notice frequent trips or a burning smell near the panel. When this happens, please prioritize safety and call a professional to inspect your panel and make any necessary repairs or replacements.
Power Fluctuations
Sometimes the culprit can be the power supply coming from your utility provider. Voltage fluctuations lead lights to flicker, especially during storms or periods of high energy demand in your area. The average home in Charlotte typically runs on 120 volts. If the voltage fluctuates too far above or below this range, your lights may start to flicker or dim.
You can check for voltage issues using a multimeter or by observing other signs, like
- Multiple lights flickering at once
- Buzzing appliances
- Surges in power usage
If you suspect a voltage problem, contact your utility provider to report it. For persistent fluctuations, it’s a good idea to have an electrician inspect your system to rule out internal wiring problems.
Get Your Lights Fixed in Charlotte, NC
For over 75 years, Roby Services has been the name Charlotte homeowners trust for exceptional electrical work. We combine decades of expertise with a commitment to modern safety standards, ensuring your home’s electrical system is reliable, efficient, and set to last.
When flickering lights or other electrical issues arise, do yourself a favor and contact us so you can enjoy the peace of mind that comes from knowing your home is in the hands of true professionals.
Contact us now and experience the confidence that comes with partnering with the region’s most trusted electrical experts.