How to tell if fluorescent bulb or ballast is bad

Unlike incandescent and LED lights, fluorescent lighting requires a ballast that sends the correct amount of power into the bulb or tube. The ballast delivers enough voltage to start the lighting process.

Just about everyone knows the familiar glow of fluorescent tube lights. As commonly as fluorescent lighting is used in those types of utility spaces, perhaps just as common are the problems that can come with fluorescent lighting in terms of reliability and efficiency. This is especially true for older lighting installations and is something that you should definitely be aware of if your home is more than a couple of decades old In particular, the magnetic ballast is a key component of older fluorescent lighting systems and is one common point of failure that can prevent you from having the light you need when you hit the switch or pull the cord. The magnetic ballast for a fluorescent lighting system, which is sometimes called the control gear, is a small part of the lighting unit or box. It ensures that the amount of electricity going to the bulbs is both enough to turn on the tubes and keep them running at a safe and efficient voltage. Since most fluorescent bulbs produce light by heating mercury gas, the ballast keeps the amount of electricity going to the bulbs in check so that the mercury gas stays at a safe and stable temperature.

How to tell if fluorescent bulb or ballast is bad

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. If you are experiencing any of the following problems with your fluorescent tubes then this page will tell you how to fix them, including information on what has likely caused the problem and how to check your starters and ballasts:. Fluorescent tubes have long since been a practical lighting solution for offices, garages, warehouses, kitchens, and more. However, there a multiple issues that can go wrong with these lights, their starters, and their ballasts control gear over time. The most common warning signs are;. We are going to tell you what has caused the problem and how to check your starters and ballasts. The following fixes will make sure you get the most out of your fluorescent light. If you're in need of a replacement, browse our range of Fluourescent Tubes to find what suits you. View our full range of Batten Fittings here. Check the power supply to the bulb.

Your lights should consistently shine at the same brightness and hue. Many fluorescent bulbs, for example, have an internal ballast.

Welcome to my blog. I document my adventures in travel, style, and food. Hope you have a nice stay! Before blaming the light bulbs, it's important to know the common signs and causes of ballast failure. Used primarily in fluorescent lighting systems, a ballast is an electrical device designed to regulate electrical current. It allows the light to turn on and then continually regulates the current flowing through the fluorescent bulbs, ensuring proper voltage and stable light output.

A lot of times folks are not able to identify if the fluorescent bulb is faulty or the ballast and look for ways to detect that. The faulty bulb has black marks and red beams at the edge. Here I go:. In a natural way, the faulty fluorescent bulb will show the marks and behave differently than usual manner. Let me explain it in detail:. There are a few indications that make it clear that the issue is fluorescent ballast not bulb.

How to tell if fluorescent bulb or ballast is bad

Lighting is one of the most important aspects of your home. While most modern homes comprise LED lighting, fluorescent lighting still exists today. With fluorescent lights, the ballast or bulb can fail from time to time. Thus, this post will answer most of your questions on poor ballasts. A ballast provides enough voltage to start up the lamp gradually by adjusting the current to produce enough power for a steady light. To fix the issue, check the ballast to ensure it works correctly.

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It allows the light to turn on and then continually regulates the current flowing through the fluorescent bulbs, ensuring proper voltage and stable light output. Many fluorescent bulbs, for example, have an internal ballast. Electrically speaking, if there is continuity across the pins, the electrode should be working. USPs LampShopOnline Top Brands Only We only stock the best brands on the market and bring these to you at great prices with bulk discounts available for trade and larger home orders. Since most are installed on ceilings, you'll want a stepladder that can reach that space. The delay allows the gas to become ionized so that it can conduct electricity. Are you still troubleshooting your lighting fixture or in need of inspiration for your next DIY? Size is not everything, though. Commercial Lighting. Your ballast is likely to have a wiring diagram on it or if not there should be one in the box which will show you which wires go where when replacing a ballast.

Unlike LEDs and incandescent bulbs, fluorescent lighting needs a ballast to ensure that the right amount of power is delivered to the bulb or tube. Enough voltage is delivered by the ballast to initiate the lighting process. As soon as the illumination starts, it reduces the electricity to create a steady light.

Turn off more accessible mode. Be sure to compare them before disconnecting the old ballast. This problem could also be evidence of a short in the line. The function of that starter, as the name suggests, is to feed enough energy into the tube so it lights it up. Many fluorescent bulbs, for example, have an internal ballast. In many fluorescent fixtures, power is sent through a pair of bulbs. It's up to you! This is probably what fried the device. Arrived on-time. Within that snarly mess is order Trade Account Terms We offer specific trade accounts for larger clients.