Having a plumbing, HVAC or electrical emergency?Contact Us Now!

Get The Absolute Best Service,
7 Days Per Week!

How to Fix Flickering Lights: A Homeowner’s Guide

Picture of Bellows Crew
Bellows Crew
Flickering Light bulb
Share this
Topics
Table of contents

Flickering lights are a common household nuisance that can range from a minor annoyance to a sign of a serious electrical problem. Figuring out how to fix flickering lights often depends on identifying the root cause, which can sometimes be tricky.

Although it’s tempting to ignore an occasional flicker, addressing the issue promptly is crucial not only for the longevity of your electrical system, but also for the safety of your home.

Discover expert tips on how to fix flickering lights and when it’s time to call a professional electrician. Keep your home safe and well-lit with our easy-to-follow guide.

Key Takeaways:

  • Causes of Flickering: Common issues include loose bulbs, faulty switches, voltage fluctuations, and wiring problems.
  • DIY Fixes: Tighten bulbs, check dimmer switch compatibility, and inspect circuit breakers.
  • Voltage Issues: Appliances like refrigerators may cause power surges and flickering.
  • Call an Electrician: Persistent flickering, burning smells, or discolored outlets require professional help.
  • Regular Maintenance: Regular inspections prevent serious electrical problems, especially in older homes.

Understanding the Causes of Flickering Lights

Flickering lights can be more than just an annoyance – they might indicate serious electrical issues. Common causes range from simple fixes to complex problems requiring professional attention.

Loose Light Bulbs or Fixtures

Loose bulbs or fixtures are often the culprit, easily remedied by tightening them. Faulty switches, particularly dimmers incompatible with LED or CFL bulbs, can also cause flickering. Voltage fluctuations from high-power appliances cycling on and off may result in brief, widespread flickering.

Faulty Light Switches

Faulty switches, especially dimmers, are another frequent culprit. Dimmer switches that are old, worn out, or incompatible with certain types of bulbs can cause flickering. This is particularly common with LED or CFL bulbs, which require specific types of dimmer switches to function properly.

Voltage Fluctuations

Voltage fluctuations can also lead to flickering lights. This often happens when high-power appliances, such as air conditioners or refrigerators, cycle on and off. The sudden demand for power can cause a momentary dip in voltage, resulting in a brief flicker or dimming of lights throughout your home.

Wiring Problems and Overloaded Circuits

More serious causes include wiring problems and overloaded circuits. Older homes are particularly susceptible to these issues.

As our reliance on electronic devices has increased over the years, many older electrical systems struggle to keep up with modern power demands. This can lead to overloaded circuits, which may manifest as flickering lights before more serious problems occur.

Wiring problems are perhaps the most concerning cause of flickering lights. Old, damaged, or loose wiring can create a fire hazard.

In fact, the National Fire Protection Association reports that 67% of home fires caused by electrical distribution or lighting equipment can be traced back to wiring issues. This statistic underscores the importance of addressing flickering lights promptly and professionally when necessary.

DIY Fixes for Flickering Lights

Before calling an electrician, homeowners can take several steps to address flickering lights.

1. Tighten Light Bulbs and Fixtures

The first and simplest solution is to check for loose bulbs and fixtures. Turn off the power to the affected light, then carefully check that the bulb is screwed in tightly.

If you’re dealing with a light fixture, ensure it’s securely fastened to the ceiling or wall. Sometimes, this simple check can resolve the issue.

2. Check for Dimmer Switch Compatibility

If you’re experiencing flickering with lights connected to a dimmer switch, compatibility might be the issue. Many older dimmer switches aren’t designed to work with modern LED or CFL bulbs.

These energy-efficient bulbs often require special dimmer switches designed to handle their lower wattage. If you’ve recently switched to LED or CFL bulbs and notice flickering, consider replacing your dimmer switch with a compatible model.

3. Circuit Breaker Check

For flickering that affects multiple lights or rooms, it’s worth checking your circuit breaker panel. Look for any tripped breakers and reset them if necessary.

If you find that breakers are tripping frequently, this could indicate an overloaded circuit – a problem that may require professional attention.

4. Test With a Different Appliance

To determine if an appliance is causing voltage fluctuations, try unplugging suspected devices and observing if the flickering stops. Pay particular attention to large appliances like air conditioners, refrigerators, or electric heaters.

If unplugging a specific appliance resolves the flickering, you may need to have an electrician assess whether your home’s wiring can handle the power demands of that appliance.

While these DIY solutions can often resolve minor flickering issues, it’s crucial to know when to call in a professional. Electrical work can be dangerous, and certain signs indicate that it’s time to step back and let an expert handle the problem.

Call an Electrician to Fix Flickering Lights

Persistent flickering that continues after you’ve tried basic troubleshooting steps is a clear sign that it’s time to call an electrician. This could indicate more serious underlying issues with your home’s electrical system that require professional diagnosis and repair.

Burning Smell: One of the most alarming signs that you need immediate professional help is the presence of a burning smell coming from a light fixture, outlet, or switch.

If you notice this, turn off the power to that area immediately and contact an electrician. A burning smell often indicates melted wires, which present a severe fire hazard.

Discolored Switches or Outlets: If you notice discolored switches or outlets, especially those showing signs of charring or melting, it’s crucial to have them professionally assessed and replaced.

These discolorations are typically signs of electrical overheating, which can lead to fires if left unaddressed.

Buzzing Sounds: Outlets, switches, or fixtures that are making a buzzing sound are another red flag that requires professional attention. These sounds can indicate arcing – a dangerous situation where electricity jumps a gap in the circuit.

Arcing can lead to fires and pose a risk of electrocution, especially for young children or individuals with pacemakers.

When calling an electrician, be prepared to describe the problem in detail. Note when the flickering occurs, which lights are affected, and any other relevant observations. This information can help the electrician diagnose the problem more quickly and accurately.

The Importance of Regular Electrical Maintenance

While addressing flickering lights is crucial, it’s equally important to maintain your home’s electrical system proactively. Regular electrical inspections can catch potential issues before they become serious problems.

Most electricians recommend having your home’s electrical system inspected every 3-5 years or more frequently for older homes.

During these inspections, electricians check for loose connections, worn insulation, overloaded circuits, and other potential hazards. They can also advise on upgrades that might be necessary to meet the increasing electrical demands of modern households.

Homeowners can also play a role in maintaining their electrical systems. Be mindful of the signs of electrical problems, such as frequently tripping breakers, warm outlets, or lights that dim when appliances turn on.

It’s also worth considering the age of your home’s electrical system. If your home is more than 40 years old and hasn’t had its electrical system updated, it may be time for a comprehensive evaluation.

Older systems may not be equipped to handle the electrical load of modern appliances and electronics, leading to issues like flickering lights and potentially more serious problems.

FAQs About How to Fix Flickering Lights

Can flickering lights be dangerous?

Yes, flickering lights can sometimes indicate serious electrical problems that pose fire risks. While occasional flickering might be harmless, persistent issues should be investigated by a professional electrician to ensure your home’s safety.

How much does it typically cost to fix flickering lights?

The cost can vary widely depending on the cause. Simple fixes like tightening a bulb or replacing a switch might cost nothing or just the price of a new component.

However, if the issue requires rewiring or upgrading your electrical panel, costs could range from a few hundred to several thousand dollars.

Are LED lights more prone to flickering?

LED lights can be more sensitive to power fluctuations, which might make flickering more noticeable. However, they’re not necessarily more prone to flickering.

Often, flickering in LED lights is due to incompatibility with older dimmer switches or power supply issues.

How often should I have my home’s electrical system inspected?

Most experts recommend having your home’s electrical system inspected every 3-5 years. However, if you live in an older home or experience frequent electrical issues, more frequent inspections may be necessary.

Always consult with a licensed electrician for personalized advice.

How to Fix Flickering Lights and Keep Your Home Safe

Understanding how to fix flickering lights is crucial for maintaining a safe and comfortable home environment. While some causes of flickering lights can be addressed with simple DIY solutions, it’s important to recognize when professional help is needed.

By addressing issues promptly and knowing when to seek expert assistance, you can ensure the longevity of your electrical system and the safety of your loved ones.

Remember, your home’s electrical system is complex and potentially dangerous. When in doubt, it’s always better to err on the side of caution and consult with a licensed electrician.

Are you experiencing persistent flickering lights or other electrical issues in your home? Don’t take unnecessary risks with your safety. Contact Bellows Service today for expert electrical diagnostics and repairs!

Related
More Helpful Tips & Guides