12v

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  1. T

    24v start on 12v system

    Hi new to the auto electrics and on with a project and very stuck in a sticky situation was wondering if someone could give me any pointers ! I am up heaving my engine out and replacing it with another but its 24v and the vehicle is staying 12v ! so my question is can you help by telling me how...
  2. S

    What is the current 17th edition regs for 12v SELV Humidisat extractor fans in Zone 1

    As I understand it, they should have their own dedicated RCD After asking Mr Google I found this reference fro 17th Edition 2010Low Voltage Airflow Fans – Be Extra Safe The Airflow range of SELV (Safety Extra Low Voltage) fans fully comply with the current IEE wiring regulations 17th edition...
    • sintec
    • Thread
    • 12v 17th 17th edition current edition extractor fans regs regulations selv zone
    • Replies: 21
    • Forum: DIY Electrical Advice
  3. K

    Charging Dell laptop from 12V cigarette socket

    I wanna charge a Dell Latitude E6500 laptop from the cigarette socket (12V), and have now tried two Vanson laptop adapters (SDR-100W and SDR-120W). Both deliver a weak beeping and does not charge the laptop battery. According to the regular power adapter the Laptop need 19.5V and 4.62A. On the...
    • kje
    • Thread
    • 12v battery charging images laptop power socket
    • Replies: 9
    • Forum: UK Electrical Forum
  4. S

    PC PSU and 12v LEDs

    I have been told I can power leds from my old PC PSU as a cost effective way of using my old unused computer. I need advice on what I can drive with them. I want to use 10w square LEDs which require 10-12v DC and 1050mA each. I am aware that most of the outputs are 12v from the PSU. Does this...
  5. C

    12v reading on all the negative connections on 240v system

    Had a strange experience today. customets t&p valve keep blowing on their hot water heater (sealed pressurised electric immersion heater fed from a water pump, pped in from a 5000 litre holding tank ) thought it might be the faulty valve first, after testing that and it being fine I went onto...
    • Cravenbiker
    • Thread
    • 12v 240v connections heater reading system thermostat valve water
    • Replies: 1
    • Forum: DIY Electrical Advice
  6. T

    12v on socket ring main after isolation.

    Hello all! I've come across a bit of a problem today as I was changing a socket and got a tingle (Isolated the MCB of course). I tested the voltage and it was pulling 12v. I've found when you isolate the upstairs lights the 12v on the upstairs sockets disappears. Its a 17th edition dual RCD...
    • Taylor_J
    • Thread
    • 12v across after induced isolation main ring ring main socket upstairs voltage
    • Replies: 13
    • Forum: UK Electrical Forum
  7. Y

    How can you tell 12v from 24v components?

    Ok, I need some help here, cause I can't find the answer anywhere. Lets say you have this instrument cluster and the 12v or 24v sticker along with the part number is worn out. Also, the lamps are missing, so you can't read their voltage engraving as well. How can you tell the voltage of it? How...
  8. 4

    Pir for 12v led plinth lightd

    Hi there from a newbe a friend has asked me to fit plinth lights to his stair case which are 12v led warm white fitting the lights wasn't a problem the problem is I can't find a pir to switch them the transformer/driver is the three pin type what makes it worse is he wants two pir's one top one...
  9. A

    12v Short in car wiring.

    Hi, first post so be gentle!! I have had a bit of an issue with my car recently. I have a 2008 Honda Accord and had to MOT the car a week or so ago. On my pre-checks I noticed that the rear fog was not working. Bulb had blown so changed that but still didn't work so checked the fuse and found...
  10. F

    12v - 240v Inverter

    Hi, I dont know if this is the right place to ask, but I am sure you have more knowledge on this than myself I am looking to buy a 12v inverter so I can use the car power to get 240v What I am really looking for is a little understanding, I understand Current, but Watts im not too sure The...
    • fredflintstone
    • Thread
    • 12v 240v compressor current inverter looking small
    • Replies: 2
    • Forum: UK Electrical Forum
  11. uksparks

    12v Relay

    Hi, I think I asked this before, but have a 12v alarm output that I want to switch a 230v load. Can you get a din rail mounted relay or Contactor?
  12. T

    MR16 12v to GU10 240v conversion

    Hi, I've 26 MR16 12v downlights in my property. At the moment they're running 50w halogens, LED's would obviously be the more efficient option. I think I've got a pretty solid plan for converting but I'm hoping someone will be able to point out any glaring omissions :stooge_curly: Currently...
    • Tom Probst
    • Thread
    • 12v 240v conversion gu10 image lighting mr16 transformer
    • Replies: 10
    • Forum: UK Electrical Forum
  13. A

    12V Dual Pole Relay connections...

    Hi all. I have just received a 12V 2 pole 2NO and 2NC and there's no instructions on how to connect it to the power. Normally being a coil negative swapped with positive would make no difference however, this has an LED light and a resister. I am thinking the 12V life wire should before the...
    • albertc30
    • Thread
    • 12v being connected connections pole positive relay
    • Replies: 20
    • Forum: UK Electrical Forum
  14. G

    12v garden lighting

    I have a garden lighting job coming up could do with a couple of pointers as I tend to lack confidence sometimes. Customer insisting on using crappy screwfix 12v spike lights. The lights don't come with transformers. So i am planning on putting 12v transformers in an ip54 box and filling the...
  15. P

    Wheelchair Trike - 12v motor for tailgate operation

    ​Hello to all, Name is Alan Stanley, i have been a paraplegic for 27 years I am rebuilding a wheelchair accessable trike i have purchased to be a fun runabout for me the whole thing is stripped at the moment and it got me to thinking of a modification i could make to it. Currently it has a...
  16. P

    12v Transfer Pump. Complete novice, help needed!

    Hi all, As stated in the title, i have no experience with electrics, but i need a transfer pump to empty my 3 fish tanks, and all i can find are 12v units that connect to car batteries. There are literally none that run off mains for less than £150+ Can i take something like this - 12 VOLT...
    • Paul Ashley
    • Thread
    • 12v complete help needed novice pump transfer
    • Replies: 8
    • Forum: DIY Electrical Advice
  17. C

    5A 12V Load tester

    Hello guys! Just wondering if anyone can help me... Part of my job asks me to test the batteries in alarm panels with a 5A load and record the voltage after about 15seconds, basically to if the batteries any good. I'm either looking where I can buy one and what it's called as I can't find...
  18. M

    Modify 12V downlight to take 240v lamp

    Hi, I have 19 12V downlights in my living room that I am thinking of changing to 240V LEDs (out of the Kosnic range from CPC, already put the 6w flood ones in instead of halogen in the existing GU10 holders in my kitchen and am impressed!). I currently have the Tamlite Starlite range of 50w...
  19. A

    12v socket fed from an ignition live - Ford Fiesta

    Hi all, I'm looking at installing a 12v socket that is fed from an ignition live, rather than the original socket which is a constant live. What's the best way to do this? I've read that the only way to do this, without cutting into original cabling, is to get an "add a circuit" piggy back...
    • azibux1
    • Thread
    • 12v circuit ford ignition live original socket
    • Replies: 1
    • Forum: Auto Electrician Forum
  20. T

    Electrical novice has a 12V boat related question....

    Hello all, I am new to the forum and am searching for some help and advice for an electrical challenge on my house boat. I currently have to run my engine to power the oven (it runs off 240V circuit) and want to wire the oven into my 12V circuit to save time, fuel and my sanity. I have an...
    • tom_on_a_boat
    • Thread
    • 12v electric electrical novice question related
    • Replies: 4
    • Forum: The Welcome Forum
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