Light bulbs don’t last forever. A standard incandescent bulb typically runs for about 1,000 hours. CFLs and LEDs can last much longer, but not always as advertised. Even high-quality bulbs can fail early if something else is wrong.
When bulbs burn out too often, it’s more than a small inconvenience. It costs money, wastes time, and can even pose a fire hazard if the underlying issue is electrical. That’s why it’s important to figure out what’s really going on.
In most cases, one of the following problems is to blame:
- The wrong type of bulb
- Recessed lighting issues
- Excessive fixture vibration
- Incompatible dimmer switch
- Power supply voltage too high
- Loose wiring or socket damage
- A short circuit in the circuit or fixture
- Bulbs that are too loose or too tight
In the next sections, we will go through each cause. We will show you how to spot the signs. We will also explain how to fix the problem before it gets worse.
Power Supply Voltage Too High
Most homes in the U.S. run on 120 volts. But not every home delivers a steady 120V at every outlet. If the voltage is too high, your bulbs burn brighter and die faster. This is especially common in older homes or areas with unstable power.
If you plug a standard bulb into a 220-volt outlet, it may burn out immediately or cause the bulb to pop.
To check the voltage, use a multimeter. Place one probe in the hot slot and one in the neutral slot. If the reading goes above 120V, it’s time to call an electrician. High voltage puts your home at risk.
Excessive Fixture Vibration
Incandescent bulbs have filaments that can break with movement. Vibrations can shorten their life quickly. Common areas for vibration include ceiling fans, garages, or rooms with frequent foot traffic above. Signs of vibration problems include flickering or repeated burnouts.
Switch to LED bulbs or rough-service incandescent bulbs. These are designed to handle excessive vibrations and last longer in those settings.
Bulbs That Are Too Loose or Too Tight
A bulb that’s loose in the socket won’t get a steady electrical connection. That causes flickering and early failure. On the other hand, screwing a bulb in too tightly can damage the socket tab at the bottom of the socket. Once that tab is flattened, the bulb might not make proper contact.
You can gently bend the socket tab back up using a non-metal tool like a wooden stick or plastic spudger. Never use metal, and always turn off the power first. If you notice burn marks or arcing, it’s a good idea to try a different bulb brand. Some have mismatched solder points that fail to connect properly.
Wrong Type of Bulb
Not all light fixtures can handle every type of bulb. Overwattage is a common issue. If your fixture can handle 60 watts and you use a 100-watt bulb, it will get too hot. This extra heat can make the bulb fail quickly and may damage the fixture.
LED lights use less wattage but produce the same amount of light, so they’re a safer and more efficient option. CFLs wear down fast with frequent on/off switching. In areas like bathrooms or hallways, stick to LEDs.
Short Circuit in the Circuit or Fixture
A short circuit happens when electrical current takes an unintended path, often because wires touch that shouldn’t. This can blow a fuse or trip a breaker and burn out a bulb in the process.
Shorts often come from damaged cords, plugs, or fixtures. If the same bulb socket causes multiple failures, stop using it. Have the fixture or circuit inspected. Resetting a breaker without solving the issue could lead to further damage.
Recessed Lighting Issues
Recessed lights look clean and modern, but older models have limits. Some aren’t rated for contact with insulation. If insulation touches the housing, the fixture overheats. That can cause bulbs to burn out fast or even spark a fire.
Look for IC-rated recessed light fixtures. IC stands for “insulation contact.” These are built to manage heat better.
If your lights flicker or burn out quickly, check for overheating. Replacing the fixture or adjusting nearby insulation can prevent future problems.
Incompatible Dimmer Switch
Dimmer switches don’t work with every bulb. Older dimmers were made for incandescent bulbs. Using one with an LED or CFL bulb that’s not marked as dimmable can cause flickering and early burnout.
To fix this, check your bulb and switch for compatibility. Use only dimmable LEDs or CFLs with a modern dimmer switch. If the dimmer is older, replacing it with one made for LEDs will prevent bulb damage.
Loose Wiring or Socket Damage
Loose connections in a fixture or wall can cause bulbs to flicker and fail. If you smell burning plastic or see sparks, shut off the power immediately. This isn’t just a nuisance, it’s a serious fire hazard.
Wiring problems often come from age, heat, or damage. If the tab at the bottom of the socket is scorched or the metal contacts look corroded, you’ll need to replace the socket. In some cases, you’ll need an electrician to inspect and repair loose wire connections.
Light Bulbs Keep Burning Out in Houston, TX
If you’re in Houston and dealing with repeated bulb burning or flickering lights, it could be more than just a bad bulb. Texas heat and older electrical systems can make matters worse. If you notice signs like frequent burnouts, flickering lights, or a burning smell near a light fixture, take action.
At Right Touch Electrical, we handle everything from bulb issues to serious wiring problems. Our technicians are experts at troubleshooting electrical issues, and fixing them for good.
We bring quality with a master’s touch to every home we serve. Don’t ignore early signs. What starts as a flickering bulb can lead to fire if not addressed.
FAQs
Why do my light bulbs burn out so quickly?
There are many possible causes: high voltage, poor socket contact, incompatible dimmers, or bad wiring. Identifying the root cause is key.
Is it dangerous if my bulb burns out with a pop?
Yes. A loud pop can indicate high voltage or a short circuit. Unplug the fixture and have it checked.
Can a ceiling fan cause bulbs to fail?
Yes. The vibrations from a ceiling fan can break the filaments in incandescent bulbs. Use vibration-resistant bulbs like LEDs.
Why do LED bulbs still burn out?
LEDs can fail from poor wiring, heat buildup in recessed fixtures, or incompatible dimmer switches.
Should I worry if my breaker trips often with light use?
Yes. Frequent breaker trips could mean a short circuit or overloaded wiring. Don’t ignore it.
Can I fix a bent socket tab myself?
Yes, but only with the power off. Use a wood or plastic tool to gently lift the tab. Never use metal.
Are all dimmer switches compatible with LEDs?
No. Many older dimmers were built for incandescents. You need one labeled for LED compatibility.
Final Thoughts
When your light bulbs keep burning out, it’s more than a hassle, it could be a warning sign. From socket damage and excess heat to loose wiring and bad dimmer switches, the issue could lie deeper than the bulb itself.
Take a few minutes to check the fixture, test your voltage, or replace an old dimmer. If problems persist, reach out to Right Touch Electrical. Our licensed electricians are here to help Houston homeowners find the cause and fix it for good. That’s quality with a master’s touch.