Asked by: Aibin Schmetzle
asked in category: General Last Updated: 29th May, 2020

How do you know when your 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.

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Herein, how do I know if my ballast needs replacing?

When you hear a buzzing sound coming from your fixture or the bulbs flicker or do not come on, check the ballast to see if it needs to be replaced. Turn off the fluorescent fixture's circuit breaker inside the breaker panel. Remove the lens cover from the fixture.

Also Know, is a bad ballast dangerous? As with any electrical situation where overheating is possible, a bad ballast can pose a fire danger. Most bad ballasts simply burn themselves out, but it's still good to recognize the odor and find the problem. Overheated ballasts that release PCBs also may pose health risks because PCBs are possible carcinogens.

People also ask, how long does a ballast last?

about 20 years

How much does a ballast cost?

A replacement ballast costs about $10-25 depending on capacity and brand. The bite is that an electrician trip charge (which includes 30 or 60 minutes work) is going to be $75-150 probably - for about 5 minutes work on each light fixture.

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