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Reasons Your Light Bulbs Keep Burning Out
Reasons Your Light Bulbs Keep Burning Out
Jul 10,2023

Reasons Your Light Bulbs Keep Burning Out

It doesn’t take a genius to change a lightbulb, but it can be frustrating and inconvenient when light bulbs burn out frequently. In this brief article brought to you by Mr. Electric, we explore several reasons why your light bulbs keep burning out and delve into the causes behind each issue. We will also share potential solutions to address these problems at their root, ensuring long-lasting and efficient lighting.

If you need a certified electrician to handle any lighting repair, you can call Mr. Electric. Our uniformed electricians have the experience, expertise, and equipment to handle a wide range of electrical repair.

High and/or Fluctuating Voltage

One of the primary causes of frequent light bulb burnout is high voltage fluctuations. Sudden surges or drops in electrical voltage can significantly impact the lifespan of a light bulb.

High voltage can be caused by faulty wiring, power grid issues, or the use of incompatible or low-quality electrical components. Consult with a certified electrician to assess and repair any faulty wiring or electrical infrastructure. Installing voltage stabilizers or surge protectors can also help regulate the voltage and protect light bulbs from sudden electrical surges.


Excessive heat is another common reason for light bulb failure. When a light bulb operates at high temperatures for extended periods, it can significantly reduce its lifespan.

To combat excessive heat, ensure proper ventilation around the light fixture, especially for recessed lighting. Use bulbs with the appropriate wattage for the fixture and consider LED bulbs, as they generate less heat compared to incandescent or halogen bulbs.

Vibrations and Movement

Poorly secured light fixtures, loose connections, or inadequate shock absorption mechanisms can expose bulbs to mechanical stress and vibrations. These vibrations may result from nearby heavy machinery, traffic, or even frequent switch operation.

Ensure that light fixtures are securely fastened to reduce vibrations. Consider using vibration-resistant light bulbs specifically designed to withstand mechanical stress. Additionally, using shock-absorbing materials or installing vibration-dampening devices can help protect the bulbs from damage.

Poor Quality or Defective Bulbs

It might turn out there’s nothing wrong the electrical system. The quality of light bulbs can vary significantly, and substandard or defective bulbs are prone to early burnout.

Opt for reputable brands and trusted manufacturers known for producing high-quality light bulbs. Conduct thorough research and read customer reviews before making a purchase.

Environmental Factors

Harsh environmental conditions, such as extreme temperatures, humidity, or exposure to chemicals, can affect the performance and lifespan of light bulbs.

Select light bulbs specifically designed for harsh environments or outdoor use. Install weatherproof or protective fixtures that shield the bulbs from moisture, dust, or chemical exposure.

Consult with or Hire Certified Electricians

If you are tired of changing lightbulbs, or you are concerned about your electrical system, then call Mr. Electric to hire a certified electrician or consult with a knowledgeable member of our team today.

We are happy to schedule a face-to-face meeting or an on-site visit for as soon as possible. Our live representatives and dedicated electricians are ready when you are!

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