transformer

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  1. A

    Transformer to out put 27 volts

    Hi, I have 6 x 4.5 volts led lights. Each has a 3 x 1.5volt AAA battery. Total 27 volts. I want to use a transformer to connect the six lights instead of using batteries. Please advise me on what type of transformer and where to buy it from. Thank you.
  2. R

    110 v site transformer repair ?

    I was given a couple of 3 kva site transformers, both have broken bases and all the sand has leaked out, epoxying a new base on is no problem, and I will only be using them myself at home, but what kind of sand should I refill them with ?
  3. simon kennedy

    Lighting Transformer - requires earthing?

    Hi E.F. I am replacing 3 lighting transformers in my kitchen. The existing ones plug into 3 x main sockets which are on the AC mains circuit via a light switch and are earthed. The replacement transformers have no earth connection - do I need to earth the new transformers? If so, how? It's a DIY...
  4. S

    Does this bell transformer have overload protection?

    Hi Folks I bought one of these Door Bell Transformer | Stevenson Plumbing & Electrical Supplies - https://www.stevensonplumbing.co.uk/door-bell-transformer.html?gclid=EAIaIQobChMIwLOp8p7A3QIV7grTCh3TzQvbEAkYAiABEgIxmvD_BwE as it's SELV and supports illuminated pushes, but can't find any...
  5. E

    Skinflint Seeks Free Advice on burnt-out LED Transformer

    Morning. The LED light above my bath doesn't work. I yanked all the stuff out the ceiling and found this. So far, so good. But hark! I have come to the conclusion that something is wrong with the transformer. Worst case: it may never transform again. If I just buy another one with the...
    • EdTheNed
    • Thread
    • advice burnt free led transformer transformers
    • Replies: 24
    • Forum: Lighting Forum
  6. the pict

    Welder transformer zapped

    Hi all I need a bit of help from the wise wizards I mate has a heavy duty mig welder which gave up the ghost on him I have had it apart the transformer that supplies 24vDC has no continuity through the primary and on close inspection the "in" if you like has detached itself from the terminal...
  7. J

    Bathroom mirror wiring wrong?

    I have a new bathroom mirror with lights which works ok but makes a constant buzzing noise whether it is turned on or off. It wasn’t installed by me, but when I remove the front I was surprised to see that it has been wired using 2 electric wires - see attached photo. As a complete novice I...
    • Jim
    • Thread
    • attach bathroom buzzing mirror transformer wiring wrong
    • Replies: 30
    • Forum: UK Electrical Forum
  8. Electron

    Can't find Lighting Transformer

    Just been on a "simple" job, changing 8 50w MR16 halogen downlights to (customer supplied) IKEA LED's (£3 each!). Pulled out the 150W transformer that supplied the first set of 4 and changed these. The other transformer must be fixed into the ceiling void. I can't feel it and the void is full of...
  9. KeenPensioner

    Isolating transformer principle

    As can be seen from my profile I am not a qualified electrician but I'm studying in my own time just for the sake of it. Everywhere I look for info on isolating transformers I get something like this "This means that the isolation transformer secondary side must not be grounded. It would create...
  10. TonyJohnson

    Isolation transformer and insulation monitoring device in horse box/bar

    The regs state 717.413 a Isolation transformer and insulation monitoring device should be used. Are there any guidance notes on type or makes i should be looking for. I see you can get 230V primary 230V secondary boxes but i'm also not sure on which to get in terms of load.. I'm inspecting this...
  11. M

    Door bell transformer advise

    hi, I’m new to the forum. I’m an engineer but don’t have electrical qualifications and need some advise on if I need a certified electrician to fit a door bell transformer. I presently have a mains wired door bell with an integrated transformer which takes mains power supplied by what looks...
  12. P

    Extractor Fan Vent + Transformer

    Hullo. I was having work done by a builder who turned out to be rogue, new builder took over job and told me that he would need to change the extractor fan I had chosen as is wasn't 2.25m in height from the bottom of the bath. He changed it to another one, but when I checked it it wasn't...
  13. CarlosMc

    Nest Hello Self Install Blown Transformer

    Hi All, Your head is probably melted with all the questions on Nest and Ring doorbells. I searched through the forum but couldnt find what I was looking for. Basically on the consumer unit I have already got a wired door bell transformer. This chap Technical Properties ST303 -...
  14. S

    CSU Mounted or DIN Rail External 24V Bell Transformer

    Any recommendations?
    • Squid
    • Thread
    • 24v bell external mounted transformer
    • Replies: 4
    • Forum: UK Electrical Forum
  15. A

    Looking for transformer

    Is anybody able to help me on where i might be able to find this transformer i have uploaded the picture hopefully u can make out the specifications. If not exactly to this specification would any 8.6v transformer as long as more then 100ma work?
  16. S

    LED Transformer - No Instructions Supplied

    I purchased a 100w LED Transformer (240v - 12v) from LED Hut. It came with no instructions. I contacted customer services and asked if I should switch at the input or output side of the transformer. The transformer has 2 outputs. I also asked LED Hut if each output was limited to 50w or if...
  17. Dave Edwards

    How does exported PV power 'get past' the local supply Transformer?

    I was looking at how my electricity meter works with the PV panels I have, and specifically how the meter stops, and a little red light comes on solid when I'm exporting. I think I understand all of this, so I'm not looking for information about that, but when it is happening, when that red...
  18. Dave Edwards

    <Thread Deleted> How does exported PV power 'get past' the local supply Transformer?

    Thread Deleted (Sorry couldn't find another way of getting rid of it!)
  19. A

    Adding a wired bell (with transformer) to a 2 way intercom

    Hello folks, I'm just your standard 'diy'er! I don't seem to be able to achieve the above, can anybody give me some pointers? We have an existing 2 way intercom which goes to only one part of the house. we want to add a wired doorbell (Byron 766 inc transformer) so the rest of the house gets a...
  20. K

    transformer replacement needed

    Stratus LVT4502 transformer used for illumaTRAC12 with 5 x G4 , 20 W, HALOGEN CAPSULE small spotlight (TL103) fittings.(Total 100W) 240/12 volt. This transformer needs replacing and is about 18 yrs old. Please could you advise whether there is a replacement ?

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