Jun 8, 2014 · You cannot test an electronic ballast with a digital multi meter ! You can however test a transformer type ballast. And even thats not 100% accurate. If you do try to test it, then …

Mar 4, 2007 · hello, how do u test a ballast in a flouresent light fixture? should there be a specific voltage where the tubes plug in? it has two "23, 20 watt tubes. the tubes only light at the ends. …

Apr 21, 2023 · Hi I have questions on 8' Fluorescent tube light. I want to understand How to replace Single Pin FA8 Tombstone? How to test the Ballasts?; Sylvania MB2x96/HO/347 RS …

Apr 15, 2011 · Change the ballast. Thats how you check one. Lamps first then ballast. In that order.

Apr 24, 2013 · I assume the ballast would be in that metal housing bolted to the side? Would any 48" lamps of the right diameter be adequate for testing? if the fluorescent fixture, ballast etc., …

Nov 23, 2006 · I had opened the light fixture and I saw in there it has a ballast... There is a lable on it that says "277 Volts" where it is pretty noticable... Does that mean it is 277 volts coming …

Oct 23, 2024 · When you're testing voltages at the end caps (sockets) Jonathan42, keep in mind that you will get goofy readings due to the ballast. The voltages change while the lamps are …

Jan 9, 2012 · The ballast is pretty inaccessible, so I don't really want to disassemble the whole fixture to get to it, if I don't have to. I realize that there's a possibility that they put the wrong …

Jun 17, 2022 · Usually induced voltage from a different nearby circuit. To do any meaningful testing you need to use a real volt meter. Best for a home owner is the cheap-o dial tester, …

May 1, 2016 · Hello, newbie here. I have a broken tombstone on a T8 2 - bulb fluorescent fixture. In order to replace the tombstone I need to know if its shunted or non-shunted. I do not have a …