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  1. B

    AC Adaptor amperage question

    This isn't really DIY as such, but I need advice regarding a replacement power adaptor for an electronic device. The device requires an adaptor rated 24V and 3.3A It has a bit of an unusual connector so it's not so easy to find but I have seen two possibilities on eBay. There's a quite...
  2. A

    Site Temps earthing question

    Hi Currently on a job at a hospital where we are installing temporary site supplies to canteen toilet block and office. The supply is Tncs from hospital but the hospital electrician and contractor doesn’t want us to install earth rods in case of services below ground and they’re not prepared to...
  3. R

    Simple Hobbyist question

    hobbyist question: If I'm running a pelton wheel generating x watts, is it enough power to pump out the same amount of water used to create current?
  4. W

    Junction Box Question

    Hi, Apologies for the basic (silly!) question, but using a maintenance free box (ashley j803) to extend a ring main circuit, in the configuration in the image attached with 4 cables (2 in, 2 out), would it not create issues having the separate 2 cables in and out, in contact with each other...
  5. B

    Tv and aerial question

    Hi everyone, I am new to the forum and wanting some advice regarding a tv aerial. I moved into my own flat and bought a tv, however when I connected the tv and it was scanning for BBC and live programmes etc the screen kept stating no signal but because I have broadband, I was able to connect...
  6. F

    3 phase meter question

    Hoping to get some info on 3 phase meters. Family has a place out in the country. It needs to get the meter replaced, but seemingly it's a 3 phase meter. Scottish Power has organised this but have cancelled the job as none are available. So my question is, could the job not be done with an...
  7. K

    NICEIC assessment question

    Hi all, I have my NIC assessment on Tuesday and only job I've been able to get access to so far is a board change I've done recently as NIC only phoned me Friday to arrange. Question I have is that there’s no isolator in place at the property so wasn't sure if they'll accept a job where ive...
  8. J

    Armoured Cable Question.

    “The reason for condemning the supply to the oak building was because of the test reading it got, it was 371 ohms which made it non compliant" We need to understand in layman's terms.
  9. N

    Decommissoning Switched Fused Spur

    Extremely newbie question here. I'm looking to remove a redundant electric fireplace heater - it's wired into a switched fused spur on the wall, which won't be used again after the heater's removed. The spur is always switched off, and I don't want to remove the actual box it's housed in. Both...
  10. itln_boysparks

    AC Motors & Transformers Question

    Hey guys, First time user here. 2nd year electrical apprentice down under! Need help and guidance with a question i've been tasked with here. Don't neccersarily need the answer to the question but any guidance into it would be helpful. Question is 'You have a three phase induction motor (415V)...
  11. D

    Loop Impendance question

    Hi, I am currently studying to become an electrician and keep seeing this question (normally different values) and I am not sure how to work this out. Would someone be able to let me know how you work this out? The measured value of loop impedance for a circuit is 2.4Ω. If the temperature at...
  12. P

    Storage heater question.

    Hi. I've been asked to install a Dimplex qm150 storage heater for a customer. There is a suitable existing supply for the off peak element. Someone has installed a switched fused spur to supply the boost functionality. This has been taken from a nearby socket circuit. However the property has...
  13. alexander jackson

    Merlin Time Clock Overide Question.

    Gents I have this time clock, does anyone know how to overide the programme so it is permanently on, I cannot find the instruction leaflet and the new Schneider instructions make no sense. Many thanks.
  14. T

    Question about T&E and spotlights in my new build house.

    Hi, So I've just started to install some spotlights in a room in my house, and I always thought to use 1.5mm T&E so I've wired them all up and I've come to connect the main line in and noticed that it is 1.0 T&E. Am I okay to link the main line to my daisy chained spots on 1.5. Some more...
  15. V

    BS7909: course/test question

    Hi, this is my first post here. I've been working on film and TV shows in the lighting department for years, and I'm thinking of taking the BS7907 course. I'd like to ask about the assessment at the end. Although I know how to light and I work with lighting on set, I'm worried that I might fail...
  16. Pretty Mouth

    Caravan diversity question

    What allowance for diversity, if any, would you apply to caravan hookup sockets? The circuit will have just one hookup point, with two 16A sockets. It's a fair distance from the CU, so voltage drop is going to be significant. It would be good to keep the cable CSA down if feasible.
  17. D

    Light switch question

    Can I wire a immersion heater switch to be a normal light switch which shows the garage light is on by the LED on the immersion heater switch Garage light switch is in the kitchen
    • dandee
    • Thread
    • immersion light light switch question switch
    • Replies: 3
    • Forum: Lighting Forum
  18. Poolworx

    Single Phase 2 Speed Pool Pump Motor Question

    Hi everyone I came across a single phase 230v 2 speed pool pump motor the other ay and became obsessed with how they work and are internally connected , but cant seem to find a diagram/pic of the anywhere. I decided to do my own from what i found on line My question is have i interpreted the...
    • Poolworx
    • Thread
    • motor phase pool pool pump pump question single single phase speed
    • Replies: 20
    • Forum: UK Electrical Forum
  19. B

    A newbie basic (and probably stupid) question!

    Hi. I'm completely new to solar but am getting a system for my house with solar panels, an inverter and battery and, of course, will still have a mains supply from the grid. I aim to provide my electricity needs as much as possible from the solar and from the battery (charged from the solar or...
  20. K

    Question about Zs and PSCC needs some clarification thanks

    Hi everyone Recently I have come across an advert of someone selling Afdds C type and the person mentioned the need to sell because Zs was too high so he was considering changing the circuit breaker back to B type as it allows enough Zs to meet the regulations. As Afdds is also combination of...
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