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12v

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  1. B

    trying to wire a DPDT 12v relay in truck

    HI, Hoping someone can help me here as I am a novice. This is on a vehicle so I hope thats ok but I think it pertains. Long story is I have a old truck that has a valve that went bad and I cant get them anymore. It has a switch on the dash that has a single wire back to the valve that only has...
  2. T

    Need 12V 2A Battery and connector

    Hi, I sometimes wish to use my mobile router off battery. Its one of these https://www.4gltemall.com/huawei-b625-261.html#:~:text=Huawei%20B625%2D261%20is%20a,name%204GEE%20Home%20Router%202. It needs 12V, 2A. I can get a battery for this. But what is the name of the connector used on the router?
  3. R

    A.c to D.c 12v charge

    I have a 12 volt power supply unit with 15 percent up or down voltage selector so I can achieve little more than 14 volts current draw is 30 amps maximum. It has over volt safety thermal safety and short circuit protection. Powered by 120v ac. The question is if I added a fuse 30amp and...
  4. Y

    12V voltage drop dual battery camper installation

    Hi there I can't wrap my head around a problem I have when trying to connect my dual 12v battery system in a camper. When I plugged in my VSR ( Orion from the brand Victron) i measured the + input was 3 volts although engine running (and app saying 14v input...). I thought the wire were too...
  5. M

    Can 12v ac be used through a light switch within 1 meter of a swimming pool.

    I need 6 switching light circuits to control 12V LED light in Zone 1 of a pool, the problem is that Zone 1 is as you open the door to the building. I been thinking about using a 230v to 12v transformer in the plant room to a grid switch near the pool. This could switch 12v to a 230v contactor...
  6. B

    12v light delay question

    Hi all, I’m doing my bathroom up currently and in the process, I want to look at the delay in one of the lights 3x downlights are 230v, one is 12v as it’s got an Integrated fan. I know the couple second delay is due to the voltage dropping to 12v, but is there any way to eradicate this? It’s...
  7. C

    MR11 -12V spot lite not working with 12V wall adapter

    Hi all, Im back here again. i have a couple of R11 12Volt 20Watt G4 Bi-Pin Base bulbs tha i salvaged from a backup lighting unit. I have tested them on my car battery and the are working. I would like to use one in my house as a spot in my stairwell area. So i have tested it eith a 12V 2A wall...
  8. C

    12v - 5v stepdown for usb lights in van

    Hi All I've just fit some led strip lights to my campervan and face-palmed when I saw they were USB and on 5v, not 12v. I have cut the usb end off and wired to a switch panel in the van that runs off the 12v leisure battery. As a quick test, I've powered on to check all OK and fine. I can't...
  9. donzoh1

    Adding 12v Deep Cycle Marine battery for CPAP and camping

    I'm wanting to add a 12v deep cycle battery to my minivan to power some items. These are a CPAP machine and some small vent fans (like USB powered computer fans.) At the rear of the van is a 12v cigarette lighter socket I'd like to use. Can this be connected directly to the battery (positive to...
  10. B

    12v transformer

    Hi vent-axia Svara bathroom fan going in zone 1, vent-axia PSU centra selv lo-carbon (12v transforme) question = how far can the PSU be from the fan, i would like it about 1.5 meters from the fan (cable length) or must it be as close as possible (in the loft) to the fan 1.5mm twin+earth cable...
  11. J

    LED Hooking up 12v LED strips and removing 120v transformer

    Hi all, I converting a van to a camper and wanted lights for underneath the kitchen cabinet. I purchased this led light strip for Home Depot (https://www.homedepot.com/p/Commerc...-RGB-LED-Strip-Light-Kit-DT8800-16F/312590609). The first one I bought with USB connection just wasn't bright...
  12. kirian

    Keep Bluetti battery device always connected to 12v

    Hi, TL;DR Will I short the car battery life by having a external battery always connected to the 12v port? I'm planning to buy a Bluetti battery (500wh) for my camper and connect to it a mini fridge, so to keep battery level as high as possible, I assume the best option should have it always...
  13. W

    G4 LED's & Aurora AU-LED16T 12v constant 16W LED Driver, does it matter about the polarity ?

    Using these lights (wired in parallel) 6 x 2W is ok to use a 12V constant voltage 16W led driver Aurora AU-LED16T. My question is they are a G4 fitting which goes, either way, does the polarity of the bulb cause an issue or do electronics inside take care of this. Many thanks in advance.
  14. W

    Led tape lights: 24V vs 12V, triac vs magnetic?

    HI, My project involves installing under-cabinet lights. Wiring is there and waiting. Have any of you seen differences, gains, sacrifices by using 12v or 24v tape lights.... or Triac vs Magnetic dimmers? Have you had any difficulty with dimmer switches with either? (not looking for Zwave...
  15. S

    Victron Phoenix Inverter 12V 2000Va Smart inverter installation

    hi all new here :) right so am upgrading my inverter set up in my work van i use this set up for tools and camping the new inverter going in is a Victron Phoenix Inverter 12V 2000Va Smart what i am trying to work out is will i need to run it in to a 240v consumer unit RCD /MCB. my old ivereter...
  16. V

    12v ride on modification query?

    Hey, im attempting to further modify my kids 12v quad and need some advice. I have swapped the original motors for a a pair of 65w 35000rpm 12 dc motors. Originals were 45w 12000rpm. Motors run and seem a lot quicker with the rear wheels off the ground however on the floor and under load have no...
  17. T

    Replacing 12v MR16 (not IP rated) with GU10 IP65 rated downlights

    Hi, I have to replace bath and shower downlights to IP rated. I thought they were GU10 so bought the GU10 fitment and bulbs. I fitted it and it did not work ? I then found out the original fitment is MR16 12v. Please can someone tell me if I need to buy IP rated MR16 downlights and LED MR16...
  18. H

    Why can 12V DC fans be so noisy ?

    Two new 12V DC fans (100mm and 75mm inline/duct) are extremely noisy. Powered from household 240V mains with the usual DC transformer/ power supply - correctly rated for DC supply to these DC 12V fans). Why is this happening ?
  19. Michaelp

    submersible wire for 12v spots

    I need to install 3 spots 12v 5W lights under water in a small bond, about 20cm deep. What type of wire i should use in this case ?
  20. 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...

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