DIY Home Improvement Forum banner

ballasts

  1. Electrical
    hi peeps. i have a back lit bathroom mirror, First one bulb 'went' ,then a few months later the second also. Bought 2 new t5 13w replacements..slotted in on double turn...nothing Tested current/volts on wiring to lamp holders on both sides(post ballast) seems to be there,but i cant tell what...
  2. Electrical
    I have a very old mercury vapor bulb that finally burnt out after at least 20 years. I'm having quite the time replacing it. I took the bulb to Home Depot to find a replacement. I found two, but I can't figure out which of the two I need. Both are Philips brand. - The first is a 250w that fits...
  3. Electrical
    We have lived in our house for 4 years and are now on our third time of replacing fluorescent bulbs in our garage. This is excessive compared to our last home where we replaced them maybe three times in 22 years! Below is a list of what we have tried and our conditions. 1. We turn them on and...
  4. Electrical
    Hello, I just changed the ballast from my kitchen lamps, I bought the same ballast specs from amazon, got a Robertson brand from amazon and it came in a pack of 2. The new ballast was a lot smaller than the very old one. I changed it and the lamps work but one side lights up very dim the other...
  5. Electrical
    I have a T5 fluorescent lighting fixture that is made for 347V input and 54W bulbs. I would like to use the fixture with house current (110V) and lower power (24W) bulbs. Do I need to modify anything on the fixture to do this? Or is 347V just a maximum voltage and the fixture can work with...
  6. Electrical
    Just replace a failing ballast for a two, T-8 bulb 48" fixture and now there is a momentary hesitation (sub-second) in both bulbs when power is applied. The new ballast is the same as the one that failed, Universal Triad B232IUNVHP-N, and it is distracting in that I have another like fixture on...
  7. Electrical
    I just bought my 1st Digital Multimeter (Equus 3320) & want to test my electronic ballast in my T8 32 Watt, 2 lamp fixture. Another forum reply told me: “...check for 120vac on the black and white ballast wires.” (If I do this where do I place the probes?) A 2nd source says: “...to ck...
  8. Electrical
    Hello and here is my situation. I manage a 4 story condominium in Lewistown, MT. We have 4 bulb FL lamps in our hallways that are on 24 hours a day and account for 40% plus of our electric bill. The fire dept won't let us put them on a timer or motion sensor. I've reduced them all to one T32...
Top