transformer | Page 2

transformer

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  1. V

    Velux KUX 220V to 24V transformer in the ceiling?

    Would be compliant with the regulations to have a Velux KUX 220V to 24V transformer installed in the extension's ceiling?
  2. Pastory

    WHY ISNT THERE A NEUTRAL WIRE IN THREE PHASE

    Why the main three phase doesnt have a neutral wire before reaching a stepdown transformer, how does electricity form a loop back to its source
  3. S

    Smart switch for light fixture that uses 12v ac transformer

    I have installed a number of 120v smart light switches and smart bulbs which I have set up on a schedule via an app. I would like to add another smart light switch for a light fixture that has a 120v to 12v transformer inside the light fixture, lighting six 12v (previously halogen) currently LED...
  4. R

    Pad Mount Transformer over Pole Mount for New Home Build?

    Hello --- In the planning stages for a new custom home build -- The house will be several hundred feet from the road and I want to have the power underground --- I am wondering if I should inquire about having a pad mount transformer in close proximity to the Power Pole Source rather than a pole...
  5. JohnJohn20

    How to make transformer

    Hello How to make transformer inverter
  6. S

    Trying to figure out alternatives for remote accessory structure

    Hello, this is my first post here. I have a little experience with most types of household wiring through a decade of DIY remodeling, and building a new house but am not an electrician. I'm researching options for getting power to a small cabin in the woods behind a house (Oregon, USA). It...
  7. Z

    What are the causes of unbalance current during no load test of transformer?

    What are the causes of unbalance current during no load test of transformer?
  8. D

    Expert welding transformer

    Hello everyone, friends. How can we understand whether the windings of the transformers we use in spot welding applications are intact? The schematic on it is as shown in the attachment. How can I tell with a multimeter what connections are and what they do and whether their windings are...
  9. B

    Will any led 12v DC transformer be suitable for 12v DC Extractor fan

    Will any led 12v DC transformer be suitable for 12v DC Extractor fan? Considering 4w rating.
  10. Q

    Transformer and MCCB Questions

    Hello All. New here and will be flooding with terrible questions for my own knowledge. Just trying to learn so some questions like this maybe very simple and I'm just daft 1) On site we have a Aux Transformer, From the LV side of the transformer we have an MCCB Board with a few circuits. Now on...
  11. N

    What are these transformer looking things I have been seeing?

    Hi. I have seen these transformer like things on the higher voltage powerlines when I go to regional areas in NSW and I was wondering what they are? I can't remember seeing them where I come from (Central Coast NSW) They couldn't be transformers because they are not connected to any other...
  12. N

    Repurposed 3.2 KVA site transformer drawing 56A

    I never did like transformer theory in my degree course and that was 40 years ago. I'm a boat builder now and we tend to have big battery banks and thus big chargers with all sorts of dodgy stuff going on. I have repurposed a series of power transformers to be used as the basis of high power...
  13. M

    Demista pads powered by a 24v SELV transformer, with cabinet hinge used as a conductor

    I'm working on a site in the UK where a joinery company will be installing bespoke vanity cabinets. The cabinets will have MDF/mirrored doors with a demista (heated pad) laminated between the mirror and the MDF door. The Demista is powered by a 24v SELV transformer, located behind a small panel...
  14. milan5baros

    Replacing transformer for halogen spotlights

    Hi, I currently have halogen downlighting in bathroom each light with an individual transformer. One of the transformers has gone now and I have tried replacing with a new one which I believe to be like for like however it seems to make the odd crackling noise. Could this be due to being...
  15. M

    Can I safely replace a B-Curve breaker with a D-Curve breaker?

    Hello, I am an American living in Germany. I have some US appliances (120v) that I want to use, so I bought a 5000 Watt step down transformer. Unfortunately, plugging in the transformer usually trips the breaker. More than 1/2 of the time, but less than 3/4. When the breaker does not trip...
  16. N

    reversing a step down transformer to step transformer

    Hi there im in training, but my question is using using a 3 phase 480v delta to 208/120 delta transformer 30kva and wiring it in reverse for 208 primary input for 480 volt secondary . My motor requirements is 460volts with the motor being 10hp,(14amps) but it has variable motor controls which...
  17. opyate

    Friedland 752 transformer giving higher than expected reading

    Hello, We moved into an old house (Wimpy 1957) and the doorbell doesn't work. I read the AC voltage on the old Friedland 752 transformer, and it's at 13V, not 3 or 5 or 8 as per the options. The solenoid on the bell might be getting too much power. Why might it read 13V? This person also...
  18. F

    New Transformer For Lamp

    Hi I need help in replacing the transformer on my favourite šŸ˜ lampā€¦..it just doesnā€™t stay on for very long anymore ā˜¹ļø Would I be ok with a 2 amp as I canā€™t find a 1.66 amp? Need to wire it in to the on/off switch on the lamp rather than female/male adapters??? Any help/advice greatly...
  19. K

    How to bypass control board in landscaping transformer

    Hi, I have a low voltage landscaping transformer. The control board is bad so it cannot be turned on. Iā€™d like to bypass the controller and connect the wires directly to the transformer itself (the toroidal). However, when I open it, in I see the white (neutral) and black (hot) wires input to...
  20. Wolf865

    Cost of AMP ATR-150SL LV Transformer and module

    Question, How much should someone be paying just for an AMP ATR-150SL LV Transformer with the dusk/dawn timer module? How much would/should labor add to that? Landscape contractor wants to replace FILs LV transformer with one as a replacement for his dead unit. Not familiar with the brand...

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