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12v

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  1. A

    Changing 50w 12v Halogen downlighter with led type with thin pins.

    As above. Does the electricianI have to remove all the transformers. Are therr not led downlighter led bulbs with thin pins? Thanks.
  2. 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.
  3. A

    I need 12v LED help!

    Hey guys, I am stumped. I have some 12v rgb Led Lights which come with their own controller and you control the light via the phone app. They don't make such a light with voice command so I decided to buy another 12v LED controller that does have voice command. I have no idea why but lights...
  4. L

    12V LED Power supply in a caravan as main power supply

    Hello, I am currently DIY upgrading a caravan with my girlfriend but need some advice. The (very old) 230VAC to 13.8VDC power supply broke down and needs to be replaced. It is rated with 10A output but I would like to replace it with a 12V one with at least 15A. The old supply was intended to...
  5. A

    12v power supply for diesel heater

    Hi, I am in the process of setting up a diesel heater to warm our conservatory and need to provide 12v power to it. I have purchased a CCTV distribution box which essentially has a 30amp convertor wired to distribution board. My plan is to remove the distribution board and wire the power...
  6. P

    adding additional 12v Lithium in parallel

    I am looking at having a camping setup with 3 x 12v 100ah lithium batteries. My setup is such that the ute canopy lifts off and stays at site as such so does the battery setup. I am keen to see if I can find a way to separate one if required and charge in the car while driving around. However...
  7. A

    12v or 24v for efficiency

    Hi, I understand some basics about wattage, volts and amps etc but I am trying to decide what would be the most efficient system Situation - 2 x 110 amp hour 12 volt batteries wired in parallel. Use these to heat approximately 8 liters of water through a DC water heating element. Which of...
  8. C

    UK Converting 12v suspended tension wire to LED? I

    I have an old IKEA Norrsken 12v suspended ceiling tension wire system, which runs x7 20w MR16 bulbs, from a Min 4x20w/Max 10x20w transformer. Can I replace the 240v/12v transformer with an LED driver, alongside 7 new LED MR16 bulbs, say, 5w each, or is the plastic coated cable not suitable for...
  9. OnlQQker

    12v Rcd or equivalent

    Why isn't there any? If you're using only the plus-negative on the battery and the only grounding point is battery negative to chassis, then surely a 12v rcd would be possible. Or am I missing something totally here. I've scoured the internet and found absolutely nothing!
  10. N

    convert 12v gu5.1 to mains gu10.

    convert 12v gu5.1 to mains gu10. but confused why this transformer has two live wires? can someone explain.Do I need a driver or I can directly attach GU10 holder to the mains? and what should be done with second live wires?
  11. E

    How to install additional 12V battery to run security systems

    Hello all, new here. I’m searching for advice whilst brainstorming the idea of installing an additional 12v battery in my car to supply the security systems. Some context, the car in question is infamous for being easy to pinch as it is easy to access the battery, disconnect it without setting...
  12. A

    Replacing 12v GU4 downlighters with LED.

    In the bathroom we have a panel above the wash basin with 3 x 12v Halogen downlighters powered through a single transformer. I am looking to replace the halogens with LED equivalents with a 12v LED driver. I have removed the bezel and there is a very thin black plastic ring but I can see no...
  13. B

    12v outdoor fairy lights

    details 12v outdoor fairy lights 20m in length, coaxial socket UK 240v plug that with built in 12v 1amp transformer 220v-plug/12v-transformer has cable out with coaxial plug connects with coaxial socket on 20m fairy lights Problem is I want to plug this in far away from the house say...
  14. HappyHippyDad

    What power supply for this large 12V Fridge/chiller?

    My customer wants to fit a large 12V chiller at her farm. The supplier has said it is 12V and 80A. A couple of questions.. 1. What sort of power supply unit would you use for this? See link below of the ebay item. 2. Is this going to be 80A at 12V or 80A at 230V? At 12v it would only be...
  15. A

    Unexpected/weird On/Off switch behavior in 12v DC System

    Here's the setup: 400ah battery bank on 12v has a positive line that connects to a 400a fuse, then to a Blue Sea On/Off Switch, then to the positive Bus Bar, then to the Fuse Box, then to the Loads. Loads come back on the negative to the Fuse Box, then the negative Bus, which goes to the...
  16. captaincaveman

    Best way to locate a fault in garden 12v lighting

    Hi Guys n Gals, I'm a little stumped on a job and was wondering if anyone could advise? I've got 3 drivers going to 3 sections of garden lights. Two of the three sections are not working (about 10 lights). I presume it's two sections due to the number of lights and I can't find a third section...
  17. O

    Lunos 12v cable protection

    Query about what's required for cables in domestic setting carrying 12V; context is MVR System by Lunos. This has transformer that's installed in consumer unit; output is 12V max 4.5A max 54W This is run to switches from which the multicore J-Y(St)Y 4x2x0.8 powers small ventilation fans...
  18. R

    Confused about the wiring diagram on INKBIRD 1000F 12V

    How to connect a ptc heater to a controller, so... the controller actually turns the heater ON and OFF when it reaches the desired temperature? I need to keep stable 30 deg temp, but there is no relay switch on the heater (I think that's how it is called), so if the heater is connected directly...
  19. J

    12v led light for shed

    I want to install a 12v led light in my shed, can anyone recommend the type of wire and transformer I would need for a 10w light? The cable would run about 8 meters outside. Thanks
  20. 2

    Converting 240VAC to 12v DC

    What components are needed to convert 240VAC to 12VDC?

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