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Why Do My Lights Flicker When an Appliance Turns On?
Have you noticed your lights flicker when a refrigerator, air conditioner, washing machine, or other large appliance kicks on? An occasional flicker may be harmless, but recurring flickering can indicate that your electrical system is struggling to keep up with demand. Knowing what to watch for can help you determine when it’s time to call an electrician.
What Happens When a Large Appliance Starts?
Large appliances with motors or compressors often draw more electricity when they first start. This temporary increase in demand can cause a brief voltage drop, making nearby lights dim or flicker for a moment.
Minor flickering that happens occasionally when a large appliance starts may not indicate a serious problem. However, frequent or widespread flickering deserves closer attention.
Could It Mean an Electrical Circuit Overload?
An electrical circuit overload occurs when a circuit is asked to supply more power than it was designed to handle. This can happen when multiple appliances or devices share the same circuit.
Older homes may be particularly susceptible because their electrical systems were designed for lower electrical demands. A licensed electrician can determine whether your circuits have enough capacity for your home's current needs.
When Is Flickering a Sign of an Electrical Problem?
Flickering lights can be one of several signs of electrical problems. You should have your system evaluated if you notice:
- Lights that flicker frequently or throughout your home
- Lights that dim significantly when appliances start
- Frequently tripping breakers
- Buzzing sounds from outlets or the electrical panel
- Burning smells or warm outlets and switches
- Appliances that do not receive consistent power
These symptoms can have several causes, so a professional evaluation is the best way to identify the underlying issue.
Get Help With Flickering Lights
Occasional flickering may be normal, but persistent or worsening problems should not be ignored. Kuhlman Electric® can inspect your electrical system, identify the source of the problem, and determine whether you need circuit repairs or additional capacity. If you're concerned about flickering lights in your house, contact Kuhlman Electric® to schedule an evaluation in Eastern Massachusetts, Central Massachusetts, or Southern New Hampshire.