ballast

  1. H

    Converting Old Fluorescent fixture to LED

    Context: - This fixture is daisy chained and this stopped working (with new tubes / starters) a few months back. The subsequent fixtures in the chain are fine. - I opened it up and checked with my voltage detector that the current is entering but not leaving the ballast. - I bought an LED tube...
  2. A

    Ballast Replacement T8 58W - Help please!

    I have a T8 ballast to replace in my strip light. I took it down hoping to replace it with exactly the same part. However I don’t seem to be able to locate the particular one that’s in there. I’m not sure which spec I have to be careful to match to ensure it’s the best alternative and make...
  3. A

    Electronic or magnetic ballast

    I have a 2D florescent bath lamp which is constantly blinking and won't remain switched on. Tried replacing the start switch which made no difference. I want to try replacing the bulb now to see if that's the problem however i don't know what type of ballast I have and most of the bulbs i've...
  4. I

    How to wire 9w G23 bulb and ballast

    Hey guys, I need some assistance in wiring a G23 Uv bulb with a 9w magnetic ballast on the attached pic. Totally lost with how to wire it. There's 4 connections from the ballast. Not sure which goes to the bulb and which goes to the mains. I have also read online that I would need to earth the...
  5. SS-ProjectBuild

    Concrete cavity fill (225mm below dpc) question?

    Hi Guys, I will be filling my cavity as per title over the weekend prior to backfilling and compacting the ground. I know i need to use 8 part balast to 1 part cement gfor the mix...but i have read conflicting messages about the consistency of the mix....should it be wet or dry? Also i have...
  6. J

    is this ballast or Gravel concrete mix? I had to dig a trench and now need to fill back

    As per attached photos. Do you reckon this is a mix of Gravel 20mm or just ballast? I would need to match the mix to back fill a trench. Thanks
  7. NorthantsJohn

    Connecting a 2D bulb

    Having replaced the 2D bulb in a kitchen wall light and finding it still didn't work, I'm trying to fit a Tridonic PC 1x26W BASIC ballast. This replaces the original ballast where the bulb plugged directly into it which I'm told is no longer available. However I can't get it to work when I...
  8. V

    Which gravel to cover a flat roof?

    Hello Please excuse this newbie question, but I'd like to replace the gravel/ballast on my garage roof which is flat with a slight slope. The smallest gravel they sell at my local DIY is 10mm pea shingle, but the gravel I am replacing is much smaller, here is a photo comparing each of them...
  9. kaseryn

    Ballast replacement advice

    Hi all. I recently bought a ballast to replace the one in my bathroom serving a 2d light fitting. The existing (black) ballast is shown below wired up. I ordered the white one thinking it to be a straight replacement (2d fluorescent, single fitting, 26W). I did look to the manufatcturers website...
  10. L

    Shed Base Material Calculations

    Hi all, I have been going round in circles when trying to calculate the materials needed to complete my shed bases. They both have around 3 to 4 inches of type 1 mot base. I am wanting to use: all in one ballast and cement at 4-1 ratio. Any help will be greatly appreciated. Shed 1...
  11. D

    T8 Ballast Terminal Tool

    Hi, got a Osram T8 ballast to install. Could someone please tell me the type of tool used to insert the wires to the terminal and/or a link to one to see it? I thought it was idc type but that doesn't fit. Unbelieveably I cannot find decent inf on the net about the type of tool to use. Thanks...
  12. eveares

    70W HPS bulb on 230V mains with No Ballast - Just trips the MCB :(

    So today I did a little experiment and thought I would see what would happen if one powered up a 70W HPS bulb with an internal ignitor directly on the 230v mains without using a ballast. Sadly not much happened other than a brief flash for a fraction of a second before the MCB for the circuit...
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