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  1. L

    Domestic heat/smoke alarm mains powered from different lighting circuits?

    Hi folks, Friend is currently renovating his house, including a loft conversion. He had originally hoped to go with Grade F1 (tamper proof batteries) radio interlinked alarms. However architect has stipulated all alarms must be Grade D (mains powered with battery back-up), but can be still be...
    • Let me think
    • Thread
    • alarm circuits different domestic fire fire alarm lighting mains powered
    • Replies: 20
    • Forum: Domestic Electrician Forum
  2. E

    Battery Simple Solar Powered Pump w/ Rechargeable Battery

    Hi Everyone, My aim is to build a simple solar powered pump with a rechargeable battery to water plants. The idea is to use a 6V 1W Solar Panel connected to a TP4056 (protected) to charge a 18650 Lithium Ion Battery. On the output is an MT3608 2A Boost Converter to step up the voltage to a...
  3. T

    Can a Non POE device be powered using a CAT6 cable using POE splitters and Injectors?

    Can I power a Non PoE device using a CAT6 cable and use it with a PoE splitter or Injector
    • toj_singh
    • Thread
    • cable cat6 device powered using
    • Replies: 5
    • Forum: UK Electrical Forum
  4. SparkyChick

    Battery Reported content: Post in thread 'Motion triggered battery powered dimmable COB LED light'

    Post in thread 'Motion triggered battery powered dimmable COB LED light' by NiculaeGeorge has been reported by SparkyChick. Reason given: Content being reported:
  5. N

    Battery Motion triggered battery powered dimmable COB LED light

    My view on life, in any field, is not to produce more but to consume less. Everybody told me this is a very eccentric weird mentality. Perhaps they are right. Nevertheless I have to build my project to make a highly efficient, extremely low drain, motion triggered 12V battery powered dimmable...
  6. D

    How is this switch powered? I thought all circuits needed a neutral?

    Usual problem with smart switches - no neutral at the switch, been plenty of threads on it before. Fortunately managed to find some switches that don't need one. So the circuit's permanently 'complete' since the switch is permanently 'on', and actually power is going to the light, but not...
  7. E

    Battery Wiring Reverse Camera on with key powered by battery

    I'm asking for assistance about how i might be able to make this happen. I'm thinking a relay would do this but i have no idea which relay. I'm looking to have a constant on rear camera that i can access from my head unit any time while the vehicle is on. I do not want to use with the wiring...
  8. X

    Does anyone know where i could get a led strip light set up that is powered by a force sensitive resistor/weight sensor?

    Ultimately for my project im making a lamp which will be powered by the weight of an object. So i want to power the whole led strip lighting solely through placing an object on the weight sensor pad. If anyone knows where i could buy a setup like this or how i could go about making it myself...
    • xlNath
    • Thread
    • anyone get knowledge led led strip light powered sensitive sensor strip where
    • Replies: 5
    • Forum: UK Electrical Forum
  9. T

    Homework - low voltage side 3x400V and a short-circuit power on the low voltage side 95MVA is powered by an OPS

    Hello everyone please help me with this homework which is too hard for me due to the fact my teacher didnt teach well so i have some problems with this schoolwork. a distribution transformer station with a voltage on the low voltage side 3x400V and a short-circuit power on the low voltage side...
  10. L

    Guide to make test board... similar to colleges powered by ring circuit

    Afternoon chaps, is there a guide anywhere on this forum to make a test board similar to what you would use in college? I need to re-train myself, get some practice in testing circuits. Any appreciated. Thanks.
    • LabourForApprenticeship
    • Thread
    • board circuit guide powered ring ring circuit similar test
    • Replies: 8
    • Forum: UK Electrical Forum
  11. D

    Battery Battery powered Rotating Beacon

    Hello Hope everyone is well and thanks for creating this forum. I'm looking for some help for a project I'm doing. It's a Short Film where I would like a red rotating beacon to cast its light on a solider running in a bunker's corridor. I found a rotating beacon that comes with a car plug...
  12. M

    Candle Led powered art by 5v cord ?

    Hi I have a led candle with 24 color remote I purchased off eBay. I took apart removed the insides it used 3 aaa batteries 1.5v each . I then took a cell phone charger 5v and attached it ! It worked ! Ant the application I used it on has worked the last 6 years and still works ! I feel safe but...
    • Megahurtz
    • Thread
    • art cord electrical wiring led powered screwfix
    • Replies: 2
    • Forum: UK Electrical Forum
  13. B

    Battery AC converter for battery powered lights

    I was looking at my battery powered Christmas tree lights and was getting a little fed up with constantly changing/looking for the appropriate batteries (3 x 1.5 volt AA, in this case) I then came up with the idea of using an AC Converter Adapter to DC 4.5V 1A Power Supply. I guess that will...
  14. C

    Kitchen light powered from wrong circuit??

    Hi all, I am hoping you can provide me with some insight. I've just bought a new light fitting, and before fitting I attempted to turn the downstairs lights off at the CU. It killed all lights bar the kitchen light (the one I was planning to change ). However, to stop power to the the kitchen...
    • Cisco999
    • Thread
    • circuit kitchen light powered wrong
    • Replies: 11
    • Forum: UK Electrical Forum
  15. 1

    12v lighting for my house powered by my van

    hello all is this possible???? I drive a van around all day, I want to use the van to charge up a 110ah Agm battery, I then want to use this battery to power up a 12v led lighting circuit in my house. I also want to use the 240v supply as a back up to the same lighting circuit, with some sort...
    • 12vshocker
    • Thread
    • 12v electricians vans house lighting powered van vehicle
    • Replies: 42
    • Forum: UK Electrical Forum
  16. I

    Industrial electric powered heaters

    Hi folks, I'm pricing a job which includes a heating solution for a former small warehouse. The area that requires heating is approximately 400 square mtrs with suspended ceiling at around 2.5 mtrs high. the space is going to be used for light manufacturing where the workers will be sitting at...
  17. S

    Mains Powered Medical Headlamp repair query

    Dear Electricians, I am a veterinary surgeon and need help from someone in the know as to how to bring an old bit of equipment back to life. It is a headmounted lamp with a special mirror to allow examination of the retinas of dogs and cats, however my query relates to the power supply for the...
    • samcginlay
    • Thread
    • mains medical powered query repair
    • Replies: 5
    • Forum: Lighting Forum
  18. DeanoRN

    Cables and high powered appliances

    Hi all, Just a quick question, In a ring curcuit in a kitchen with high powered appliances for example, would the cable get warmer where the appliances were plugged in? Like if they was all plugged in a Certain area would thst area be warmer than the rest of the run or would the current draw...
  19. S

    Radial socket on landing and rear bedroom appears to be powered from lighting and radial

    Hello all, first time posting here, was hoping for some theories/advice regarding a confusing situation. Essentially we were looking to add one or two sockets to a upstairs bedroom (40's build rewired in 80's I think with black/red colour system). It currently has two sockets and there is also...
  20. marconi

    LIQUID PETROLEUM GAS POWERED SUITCASE INVERTER GENERATORS

    I am working on a study for my brother-in-law who runs a national outdoor catering business. At the moment he uses 3.4kVA petrol generators with Honda engines modified to run on LPG. The maximum steady state load is about 900W but they are sized at 3.4kVA to start in sequence and then run...

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