But there is a good chance your ballast could be the cause of your lighting woes if your lights are dim, buzzing, changing colors, or flickering rapidly. You should check all parts of the fixture, including the bulbs. … If the bulbs fail to light up, then 9 out of 10 times the ballast is culprit.

Similarly, How do you know when a fluorescent ballast is bad?


If your fluorescent lighting is displaying any of the signs below, it could be a symptom of a bad ballast:

  1. Flickering. …
  2. Buzzing. …
  3. Delayed start. …
  4. Low output. …
  5. Inconsistent lighting levels. …
  6. Switch to an electronic ballast, keep lamp. …
  7. Switch to an electronic ballast, switch to a T8 fluorescent.

Additionally, How much does it cost to replace a ballast? The average cost of ballast replacement is $150 for materials and labor. Materials cost an average of $27.50, and labor costs at least $100 to install a ballast replacement. Homeowners often spend $35 per ballast for programmed-start ballast installation and labor.

Will a bad ballast burn out bulbs?

The ballast itself can go bad, which causes lights to flicker or even appear to be burnt out, when in fact they aren’t. They require maintenance and energy to power, on top of the power used to light the fluorescent bulb. They are a large part of the equation when using fluorescent lamps.

How long does a fluorescent ballast last?

According to the Certified Ballast Manufacturers Association, the average magnetic ballast lasts about 75,000 hours, or 12 to 15 years with normal use. The optimum economic life of a fluorescent lighting system with magnetic ballasts is usually about 15 years.

What does a bad ballast smell like?

A common source of these odors is the fluorescent light ballast. When called to such an incident, you typically will find an electrical odor or a haze of smoke. … Overheating ballasts often exhibit symptoms. They may cause the bulb to flicker, shine, dim, or not work at all.

Is it hard to change a ballast?

You can get a new ballast at a hardware store or home center and install it in about 10 minutes. However, buying a ballast can be expensive, so consider pricing a brand-new fixture for comparison.

How much does it cost to replace a fluorescent light fixture?

Fluorescent Light Costs

The labor cost of installing fluorescent light fixtures in a room ranges from $85 to $217 and requires one to three hours, depending on the wiring configuration.

Why do my fluorescent lights keep burning out?

There are many possible reasons why a light bulb burns out quickly: The power supply voltage may be too high. Bulbs may be loose or connected improperly. Excessive vibrations may be causing the filament to break.

Can a fluorescent light work without a ballast?

In a fluorescent lighting system, the ballast regulates the current to the lamps and provides sufficient voltage to start the lamps. Without a ballast to limit its current, a fluorescent lamp connected directly to a high voltage power source would rapidly and uncontrollably increase its current draw.

Can a plug and play LED bulb be used without a ballast?

A plug and play LED is a fixture where you can install LED bulbs to what was once a fluorescent bulb. This is an easy solution and requires minimal effort on your part. Since it works with the existing ballast, there is no need for rewiring or ballast removal.

How often do fluorescent ballasts need to be replaced?

The ballast takes in electricity and then regulates current to the bulbs. A typical ballast will generally last about 20 years, but cold environments and bad bulbs can decrease this lifespan significantly. You can get a new ballast at a hardware store or home center and install it in about 10 minutes.

What causes a fluorescent ballast to go bad?

Flickering fluorescent tubes can cause the ballast to overheat and fail prematurely! … When it’s too hot or too cold, the ballast can burn or fail to start your lamps at all. Heat combined with prolonged condensation inside an electronic ballast can cause corrosion and ballast failure.

Do fluorescent bulbs smell when they burn out?

When it does burn out, expect a dramatic pop and a distinct odor. The CFL bulb might even produce smoke while the base of the bulb turns black. … In fact, popping and smoke means that the bulb’s end-of-life mechanism worked correctly.

Can bad ballast cause fire?

As with any electrical situation where overheating is possible, a bad ballast can pose a fire danger. The overheated ballast could cause the plastic housing on the light itself to melt and, in the right conditions, flame up.

Why does my fluorescent light smell?

If a light fixture gives off a burning smell, disconnect the fixture until you have determined the source of the odor. … A fluorescent fixture may have a ballast that has failed and is spilling tar. For typical incandescent light fixtures, the burning smell may occur if you’re using an oversized bulb.

How do you remove a ballast?


How to Bypass a Ballast

  1. Turn off the power. Flipping the light switch to the “off” position does not necessarily end the flow of electricity. …
  2. Locate your ballast. …
  3. Cut the hot and neutral wires. …
  4. Cut the socket lead wires. …
  5. Remove the ballast. …
  6. Connect the input wires to the output wires.

How long do ballasts last?

According to the Certified Ballast Manufacturers Association, the average magnetic ballast lasts about 75,000 hours, or 12 to 15 years with normal use.

How much does it cost to have a light fixture replaced?

How much does light fixture replacement cost? Light fixture replacement averages $65-$175 for labor. This will depend on the location of your light fixture and the type of replacement. The cost for the fixture itself can run anywhere from $20 for a simple option to $1,500 or more for a chandelier.

Do I need an electrician to change a light fixture?

Do I need to hire an electrician to install a light fixture? Unless you have previous electrical experience, you should always hire a licensed electrician for any electrical project, including installing a light fixture.

How do you change a fluorescent light fixture?


Steps:

  1. Turn off power at circuit-breaker box.
  2. Remove lens or diffuser panel from light.
  3. Remove lamps or bulbs.
  4. Remove ballast cover. …
  5. Uncap black and white wires and test to ensure that power is off.
  6. Separate wires from existing fixture.
  7. Remove fixture base from ceiling.

What can cause light bulbs to keep blowing?


Why Do My Light Bulbs Keep Blowing?

  • Cheap bulbs. One reason why your light bulbs might be blowing out often is that the light bulbs you are buying are cheap and low quality. …
  • Loose Connections. A loose connection in the lamp holder can also cause the light bulbs to blow. …
  • Mechanical Vibrations. …
  • High Voltage.

How long do fluorescent bulbs last?

Typical lamp life for a fluorescent bulb is about 20,000 hours, but this can degrade as a consequence of frequent switching (turning on and off). Burning life is extended if lamps remain on continuously for long periods of time.

Why are my light bulbs blowing out?

Sometimes, your light bulbs burn out due to a poor connection with the light fixture. This connection issue may be caused by how tight or lose you have screwed the bulb into the fixture. If it is too loose, the bulb can struggle to connect to the electrical current and the infrequent connection can short-out the bulb.