12v

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  1. B

    Can I use this 12V AC adapter from the US in this country?

    Hi all, Am not completely sure on this, Recently purchased some low power consuming devices which came with USA AC adapters as in the picture. Can I use a simple pin type adapter or would I need a step down transformer? Can I use a UK adapter with 12V output? Thanks!
  2. N

    12V LED Drivers

    I am gradually replacing filament & halogen bulbs with LED versions. Whilst some LED lamps work okay with standard 12V transformers, the transformers don't like low current devices, resulting in flickering. Since the idea is to save money and energy, I don't really want to outlay large sums of...
  3. M

    Halogen to LED 12V MR16

    Hi I currently have halogen lights 3 x 20w on a 12v Transformer Power 65W and I want to change them over to LED lights but I have to use the existing transformer as I'm unable to get to them to take them out and use the mains to change them over to GU10. So my question is what is the best way...
  4. M

    Can I use a 12V DC LED bulb to replace a 12V AC filament bulb?

    Hi, I'm interested in this lamp which has a 12V AC filament bulb. It sits in a MR16 fitting, so I was thinking: If I power it with 12V DC instead of 12V AC, and replace the light bulb by a 12V DC LED bulb, it should work. Would it work? Would it be safe?
    • mascip
    • Thread
    • 12v because bulb led might rated replace switch thinking
    • Replies: 11
    • Forum: DIY Electrical Advice
  5. C

    12v LED Van Lighting

    Hi I've recently fitted 2no 12v led small strip lights to the back of my van for extra light when its dark. I wired them into my exiting internal light so they come on when i open the door and off when i close... I have a problem with the lights though as when they go off they constantly...
    • chippy84
    • Thread
    • 12v electricians vans fitted led light lighting lights van vehicle
    • Replies: 5
    • Forum: Auto Electrician Forum
  6. M

    240v to 12v, Charger + Inverter idea => feedback weclome

    Hi there, for a friend's boat, he has constant access to 240v shore power (and a galvanic isolator), but still wants batteries for whenever shore power stops working, or if he wants to go and cruise for a day or two. He needs a charger to keep the batteries topped up, and an inverter for...
  7. yellowvanman

    Changing 12V Downlights to GU10 LEDs

    Does anybody here have issues with changing 12V lamps to GU10 LED lamps in the same fitting? Obviously involves taking out the transformer, changing the lamp holder and putting the fitting back. I only ask because: a) The tin cans usually have a label that says 12V b) The tin cans are not...
  8. T

    Fitting 12v Transformer for Downlights

    Hi people, just wondering the best way to install these 12v transformers, are there any regs requiring a fire hood or cover over them as I can imagine they get warm? I've installed fire rated down lights which sit in the loft space and was worrying about the insulation near the transformers I...
  9. C

    Wiring Spotlights For A Bathroom 12v?

    I'm looking for someone to shed some light regarding domestic work and bathrooms, I'm newly qualified spark but my apprenteship was completed on industrial sites so domestic is a new area for me, iv read up on the onsite guides and regs but would like some advice from people that work in...
    • Connor Davis
    • Thread
    • 12v bathroom lighting lights spotlights wiring
    • Replies: 20
    • Forum: UK Electrical Forum
  10. J

    L.e.d.s 12v

    been buying some new led products from this company (merkko led) and they use 12v down lights and many people have been asking if they will work on the boats caravans etc .iv seen people using boosters to help regulate the leds but is this needed?
  11. B

    Why use 12v downlights

    Do many of you choose to install 12v downlights instead of mains ones? I was thinking that doing away with the problem of the transformers failing. I still see reasonably new installations with 12v downlights.
  12. B

    12V Electric Fan keeps blowing 10A fuse

    Hi, I just purchased a 12V 10" electric fan from Supercheap. Brand is Calibre Calibre Thermo Fan - 12 Volt, 10" - Supercheap Auto Australia. On the box it states max current draw is 7.5A and it came with a 10A fuse. I connected the fan up as per the instructions and it keeps blowing the 10A...
    • bilbo007
    • Thread
    • 12v blowing electric electrical fan fuse keeps
    • Replies: 4
    • Forum: Auto Electrician Forum
  13. S

    12v off grid system - open to public.

    An intriguing job offer has come up. The customer wants to build an off grid toilet/wash block for a campsite Solar panels powering leisure batteries to provide lighting (and not much else). We're not using an inverter anywhere in the system so no 240V The electrical side of things I'm ok with...
  14. uksparks

    12v 4 Pole NC Contactor

    Hi, where re can I get a 12v 4 Pole NC contactor capable of day 50A or more...? i can't seem to find one, the alternative is can I pull a contactor on with 230v that's closing or opening 12v circuits? Seems wrong to mix ELV with LV.
  15. D

    12v PIR -- CODE SL099 - -FORMERLEY MADE BY SMITHS/TIMEGUARD

    I need to replace some 12v outdoor PIR`s formerly made by Smiths, then Timeguard. The CODE is SL099 easily found on Google. However, they are nowhere to be had as they have been discontinued. They send a signal to the mains control box (CODE SL055) which controls up to 3000W of lighting and...
    • DJM1577
    • Thread
    • 12v advice code pir source timeguard
    • Replies: 1
    • Forum: UK Electrical Forum
  16. G

    12v mr16 Led

    Hiya Never fitted a 12v LED spot lamp yet, will I need to change out the transformer to a driver or is it self contained in the lamp ? Are they any good compared to mains gu10s. Quoting a led upgrade and can swop out bathroom fittings from 12v to 240 as the customer wants a few lamp types as...
  17. W

    12v cable thickness for solar panel installation

    Hi there, I'm trying to install a 12V solar panel in my caravan. I've worked out that I'll need a 100W panel, so presuming it's working at 100% efficiency that gives me a current of 100W / 12V = 8.33A. I reality the current will be more like 6A (I think). I'll be running the cable 7-8m to the...
  18. D

    Transformers... 12v to 230v to 19v... Or 12v directly to 19v...

    Hi chaps, I'm in the midst of kitting out my motorhome (converted Renault Master). Going to have a 1000w inverter in there to feed a couple of 230v outlets. Trying to work out how much more efficient it will be to get a charger for my laptop which will convert directly from the 12v vehicle...
  19. C

    12V water pump

    Hi All, I've just purchased a 12v Water pump for my van. 12V 100PSI 4L/Min High Pressure Diaphragm Water Pump FOR RV /CARAVAN /BOAT | eBay What's the best way to install this? I want a switch at the back of my van I can use to turn it on and off i.e. a standard "switch". 1) How do I...
  20. C

    12v plinth lights plug top

    Hi I need to install some plinth lights and have an old fcu socket that used to power an under cupboard fridge. However the cupboard units are not clumped together but are in 3 different sections. Can you buy plinth light kits where you can run a 12v extension feed off the module box to power...
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