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12v

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  1. alexhibbert

    UK 12/24V Battery wiring and charging advice

    Hello all, I'd like some advice on wiring up a 24V leisure power system. It seems to work so far, but my wiring doesn't seem to match many other diagrams online. I'm worried that I'm damaging batteries or wasting power. I have 4x 12V Lead Carbon batteries (all identical). I want to have 24V...
  2. C

    Wall switching method for 12v adapter powered devices?

    I'm not a pro, just looking at strategy for a village hall install. In the bar area, there are a number of devices which need to be switched on in one go. Some LED lights, a video monitor, wifi externder, other low power stuff. They are the type with the plug in 13A to low volt wall adapters...
  3. H

    I have a 12v 90ah leisure battery and 2 sets of 25 G40 Bulbs String Light but need a new inverter which one is best please

    THIS IS FOR ELECTRICAL NEWS ONLY
  4. S

    Selecting the proper solar panel/ battery system for 12v LED strip

    Hi all, Complete novice here, but I'm trying to learn. I am making a solar powered, back-lit estate/ driveway entrance sign, and am stuck regarding the correct wattage, amperage, etc for the panel and battery. I'm planning to use 5 meters of 12v 18w strip, but would like to be able to use...
  5. H

    anyone recognise this 12v connector

    Hi all, not an electrician, doing some DIY van stuff. Got a Citroen Relay 2015, the pictures 1&2 are of another 12v supply [without the actual socket] it was behind a blank cover. I have bought a new cigarette lighter to fit but the connections don't match. Halfords had no clue what it was. The...
  6. J

    12v cabinet lights into light circuit

    Please help, I have just purchased wifi TCP strip light for the kitchen (multi colour and dimmer ) With a plug. I was really hoping to have them controlled via a 3 gang dimmer switch which controls other lights in the room. The plug has a 12 v transformer built in so I’m guessing I can’t cut...
  7. O

    Fuse size for 12v hydraulic diverter valve

    Hi I’m about to wire up a hydraulic diverter valve to add a 3rd function in my 60hp tractor front end loader. I will draw power from my ignition but I’m wondering what size fuse I need to run?
  8. E

    12V LED wiring

    Hi everyone. Thanks for taking the time to read this. Disclaimer - I will have a licensed electrician look at this before any DIY work is performed so I'm really just looking to learn and to identify any errors in advance. Would you kindly provide insight into the attached? I'm looking to...
  9. Scots John

    Pure sine wave inverters. 12v /230v

    I routinely upgrade Motorhome systems. I do use Chinese made pure sine wave inverters from evilbay, usually 2500w/5000w (peak). I always sum the maximum off grid Continuous draw and double it or more. No problems so far, BUT I have heard of others Having problems. i have pushed consumption...
  10. H

    Regulations for 12V / 240V wiring in campervans

    So wiring in campervans is included within the scope of BS 7671. In a scenario where someone is being paid to build from scratch or modify a system, is there a minimum level of qualification required by law? Would a "Part P NICEIC domestic installer" be appropriate to carry out and certify the...
  11. Y

    Legal requirement for certificate in 12v home?

    Thanks for the add. I'm writing about a friend living in a part-tent, part-shed home with young children who has devised her own 12v set up with advice from pals and online info. I don't doubt her ability but am concerned she should get it checked by a real live electrician. Is she supposed to...
  12. M

    need to plug in two DC 12v 120w fans, to 120v house plug?

    I need to plug two 12v 120w DC fans into AC 120v house plug. The wall worts i have tried don't work. What is the best solution, outside high humidity, green house?
  13. T

    UK Coolbox not working from mains

    Hi I have a 40L Halfords coolbox which works off 12v cigarette lighter, but won’t work of the 13amp plug. I have changed the plug fuse, but to no avail. Any ideas? Cheers Newbie
  14. M

    Looking for a 12v RGB multi zone Controller.

    Needs to be at least 4 zones and 7 amps per channel. Thanks!!
  15. M

    GU10 LED on 12V DC

    I have garden LED light running fine through a transformer.. LED Driver Adapter AC 220 -240V To DC 12V Transformer But am now trying to add a new downlight with a GU10 LED bulb, however the bulbs are not lighting, looking at the bulb box it asks for 220-240 AC I am struggling to find a GU10...
  16. S

    DIY: Cable thickness for 250w 12v Wind Turbine 40m

    DIY . Hello, I own a Marlec Rutland 913 250w , 12v Wind Turbine that I want to erect on land outside my caravan. The turbine will be 10m in the air and will be located about 15m from my caravan. I will size to 30 meters of cable. The charge controller the wires terminate to has a 20amp fuse...
  17. mak

    Solar 2 gang 1 way ligths on 12v system

    This is what I want, 2 lights operating on the same 12v circuit individually. Will it work? Because there are two paths when both lights are turned on? My brain is scrambled.
  18. C

    12v solar installation - covered by Part P?

    Hi all I am looking to install a 12v system on my roof terrace to power a few LED lights. I was going to connect a 12v transformer into an existing FCU inside the property, and then run a 12v circuit from this to power the lights on the roof terrace. However, I understand that this is Part P...
  19. F

    Building - 12v LED Motorcycle Rear Tail/Brake Light

    Hi guys! Hoping you can help me. I'm making a custom 12v motorcycle brake light. I'm at the stage where I need an LED board/unit that does both tail and brake lights. I haven't finished machining the light housing yet as I need to know the board dimensions. I'm a motorcycle mechanic by trade...
  20. Lister1987

    Next power tool - 12v or 18v - SDS, Multitool or something else?

    As title. Looking at my next addition - anniversary and crimbo coming up so want to get the pennies saved ahead of time. Currently posses 2 Milwaukee M12 tools; Impact Driver and Combi Drill and love them, get constant abuse at college and home and are a joy to work with. Looking at the next...

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