12v

  1. Y

    Off Grid 12v Solar Inverter

    I'm thinking about purchasing a 12v 1000W inverter/solar controller: https://www.photonicuniverse.com/en/catalog/full/372-Iconica-1000W-12V-hybrid-pure-sine-wave-inverter-with-50A-solar-charge-controller-and-20A-mains-battery-charger.html I would like to power a lighting radial circuit with a...
  2. A

    12v wiring question

    Was just wondering is there any reason I can’t wire 4 18w led lights onto a trailer, it will be running off the lights that’s already on it off a 12v battery through the 7 pin light cable.Anything stopping me wiring them into the side lights? planing on putting a switch in so that i can turn...
  3. C

    UK Need help switching out some 12v lighting

    Hi I am having a problem with my bedroom and bathroom lighting ,in my bedroom I have 2 downlighters that are switched from 2 dual pole switches at either on of the bedroom,these downlighters are 12v fed from a transformer in the loft ,I also have 1 mains light on my ceiling too,I'm wanting to...
  4. hey-hey-my-my

    Multi-stage charging: skipping absorption?

    Good morning, I'm on the road year round in a motorhome with two 100w solar panels (soon to be doubled) charging a 260ah AGM battery via a 20a MPPT charge controller. I also hook up a 30a multi stage mains charger about once a week to properly charge the battery. I'd like to get the most out...
  5. littlespark

    Replacing a 12v bathroom extract fan

    The situation is, customer has a rather old wall mounted 12v extrtactor fan, with pullcord, humidistat and timer. Make is Johnson & Stanley "Dryflow" Its wired through a transformer with PL, SL and N at the fan... Transformer is in the attic. The problem is the fan runs constantly. I think the...
  6. A

    Combining Two 12v DC PSU Outputs for 24v

    I have a 9 output CCTV PSU wall mounted supply. I have several spare outputs and need to run a maglock rated at 24v DC 250ma. Each output on the PSU is rated at 12v DV 2A. Can I link two outputs in series to output 24v DC?
  7. hey-hey-my-my

    Trouble with charging a large 12v battery

    Hello! I recently upgraded the 110ah battery in my camper van for a 260ah AGM one. My solar panels (200w via MPPT, soon to be doubled) struggle to keep up with my consumption, so once a week I hook up the battery to mains using CTEK's 5A charger, which supports AGM batteries but is not...
  8. S

    12v Spotlight Failure

    Hi, I'm looking for some advise please. U.K. 240v circuit. My mother in law has a set of 5 12volt spotlights in her bathroom that have suddenly all stopped working. I've checked the voltage coming out of one transformer and I have current (not measured the voltage though). I've also tested...
  9. M

    12v Battery. Pump and lighting. Recharge

    Hello everyone, hope you can help me. I have started a plan to build a small camping kitchen that fits into my 4x4, and comes out at the sight. I have the plumbing sorted, and quite proud of that, hot and cold water. My issue has come to the electrical side, running the water pump and lighting...
  10. M

    Making a 12v 4s battery pack from 18650

    Hi, I have around 20 18650 battery just sitting around, so I thought of making a 4s 12v(well more like 12-16v battery depends on charge). That should be fairly easy overall, just looking for some advices to make it as good as I can. One thing I would like to try is avoiding soldering as much as...
  11. L

    Connecting 2 12v fans

    Hello, I need some help with this: I have a Xbox one S where I connected 2 Fans (there is usually just 1 ) parallel to the 12v sourve from the motherboard. Fan 1 has 22mA and Fan 2 has 29mA. My Question now is, if there is any risk to burn something. I dont know how much amp is delivered by...
  12. C

    Need some advice. - 12V to 240V

    Hello! I've just joined the forum and am looking for a little advice. - As what I am attempting to do will never be attached to the electrical grid (and why this is relevant will be obvious in a second) it should bypass any laws around such. (and if it doesn't, I have a licensed mate who will...
  13. HRM-ELEC

    12v drill driver

    Looking to buy a small 12v compact drill driver for light work Any recommendations?
  14. H

    12V DC Relay Issues (Diesel Engine)

    Hello all. I am having an issue with a 12V DC Relay I am trying to install to run a kill switch on a John Deere Diesel engine that runs a high pressure water pump. I have the relay wired in such that it will send power to the ignition when an electrical signal comes from a water sensor in the...
  15. M

    spotlights in bathrooms , from 12v to 240v

    next one , lads, bathroom spots outside of zone one. above the 2250 , directly above the bath ip and fire rated. 240v led spots. existing installation not rcd protected.
  16. N

    where to switch a 12v LED circuit?

    Hi all. new to this and hoping someone can pity on me! I've bought a LED light tape kit which comes with a 3pin 12v transformer. I plan to put the LEDs to back-light a mirror on the wife's bedside table (she looks better in dim light!!!! :) The transformer will plug straight into a normal 3...
  17. N

    CAn I wire 12v downlighter transformer into dimmer circuit?

    Hi all. I've bought couple of LED tape kits which come with a 3pin 12v transformer. one of them is now wired into a simple circuit which is a single on/off switch and works great. the second set is to go into another room, again single switch but this time it's a dimmer not toggle. The kit is...
  18. J

    12v In A Caravan - Qualified Person?

    Hi, Can any of you advise me, I've been told that to do work on the 12v circuits in a caravan a person must be qualified, if youre not, youre breaking the law. I am an electrican by trade (not currently working as a sparky), but I'm not well up on the regs. I find it very hard to believe that...
  19. Radian

    Question about 'self made' 12V Lighting in new extension

    Straight up, I'm not an electrician. I'm an electronics engineer. I currently have a range of LED products on the market and my commercial lighting designs have been in continuous production since the 1990's. I'm having an extension built and naturally see it as a great way to showcase my latest...
  20. rolyberkin

    12v LED tape recommendations please?

    After a recommendation for decent cuttable LED tape, have been using enlite weatherproof (Can't remember where I bought my last reel?) but it has been a pain to join, looking for a tape and supplier, prefer 12v.
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