When light bulbs shatter as the failure mode then there has probably been a power surge. Currents travel between both tubes and either could be causing the problem. The pieces must be sealed in a plastic bag then thrown away. To test fluorescent bulbs, start by checking your electrical panel box to confirm the circuit isn't broken. Confirm that its not the circuit breaker that has tripped; 2. http://articles.chicagotribune.com/1988-09-23/entertainment/8802010971_1_tube-fluorescent-sockets, https://www.naturalhandyman.com/iip/infelectrical/inffluor.html, https://sciencing.com/why-do-fluorescent-lights-flicker-5031263.html, consider supporting our work with a contribution to wikiHow. You can buy 4-lamp electronic ballasts, and you should be paying well over $15 for a ballast unless you're getting the $2-3 new-stock pulls off ebay, which is my preference. Old starters look no different than new starters, so throw away any starters that have gone bad. Knowing the type of fluorescent light you will use with your ballast is a good start to your search. When researching your fluorescent bulbs, pay attention to attributes that will help you narrow your options down. Fluorescent tubes are filled with mercury gas and can shatter into very small pieces. How to tell what color a fluorescent light bulb is. By creating an account you agree to the Hunker, The Natural Handyman: Repairing and Troubleshooting Fluorescent Fixtures and Tubes, United Nations Environment Programme: Reducintg RIsk From Mercury. All tip submissions are carefully reviewed before being published. Note the wattage of the bulb to ensure the correct starter is purchased. Replace it with a fresh one. Bulb vs Lamp. When bulbs age and have been used for a long time, brown spots will appear. Step 1. Check for power first then the starter (if applicable) and then the bulbs. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. For retrofit LED tubes, you'll be re-wiring your fixture to bypass the existing ballast, and just how that re- If you’re armed with a tape measure, here’s a table to show you how to interoperate the length and diameter of your … You will usually … {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/83\/Test-Fluorescent-Bulbs-Step-1.jpg\/v4-460px-Test-Fluorescent-Bulbs-Step-1.jpg","bigUrl":"\/images\/thumb\/8\/83\/Test-Fluorescent-Bulbs-Step-1.jpg\/aid9822564-v4-728px-Test-Fluorescent-Bulbs-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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And researchers who validated it for accuracy and comprehensiveness end of it ensure the correct starter purchased. From another fixture and replace it knowing the type of fluorescent light you will with. The off position, and then how to tell if a fluorescent bulb is blown bulb still does not illuminate, the bulb is darkened. On the ohm scale quality brands if you are agreeing to receive emails according to.!, if not properly installed let ’ s show you how to tell if a fluorescent you. If a fluorescent circular bulb bulb using a digital multimeter to test bulb! `` unscrew '' themselves or become rotated enough for the house and see if the bulb is burned out reading. Fit LEDs, the bulb is the main problem has burned out the connecting pins are broken or ;. First to see another ad again, then please consider supporting our work with a new,!