connected

  1. E

    20 Kva Magnetek Jefferson 60Hz 3 Phase, 460y/260 Dry type transformer

    Hi. Have back fed this transformer trying to achieve 400 volts from a 250 volt 50Hz 3 phase 20Kva diesel powered generator. Have linked the high voltage Delta connected side to include all the windings, and connected the generator to the star connected low voltage windings, leaving the neutral...
    • emlyn
    • Thread
    • 3 phase connected delta phase transformer type voltage
    • Replies: 8
    • Forum: UK Electrical Forum
  2. S

    No Neutral at 3 phase step down autotransformer?

    Hi all, Been a few years since i've posted but here goes! At the factory I work in we have an old Spanish line from the mid-eighties that is fed from uk 400v 3 phase via a 3ph step down autotransformer to give 380v output. The spanish panels Do not use a neutral, just 3 phases and further 380v...
  3. S

    switched live is also neutral?

    Replacing a ceiling rose that was taken off some time ago and not replaced in an old house. 2 reds and 2 blacks, I have identified which one of the blacks is switched live using a multimeter. But it appears the 2 blacks also are connected when tested with the meter, indicating it is both a...
    • skuller19
    • Thread
    • before circuit connected going live neutral switch switched
    • Replies: 6
    • Forum: UK Electrical Forum
  4. Y

    Light Switch changes

    Hi Everyone I am extremely stuck. I have got an old plastic switch that I am replacing to a polished one but I have come across a difficulty after I have changed them over. The switch is for the kitchen lights. I currently have one Tube light connected to them and on 3 switches there are...
    • yusufg
    • Thread
    • changes connected light light switch lights other switch
    • Replies: 6
    • Forum: DIY Electrical Advice
  5. B

    2 gang socket with usb watch for them

    Horrible 2 gang switched socket with usb. Its very flimsey and has 2 earth terminals on the back for each socket that ARE NOT CONNECTED (by not connected I mean to each other each individual connection goes to one earth pin only) so watch for them. No suprise its from china on Ebay. White...
    • Barry White
    • Thread
    • connected electric outlets regular socket sockets usb watch
    • Replies: 2
    • Forum: UK Electrical Forum
  6. jon jordan

    V tac led driver tx's issues

    Hi all hope someone can aid me in this issue I've got why would a tx give out more output voltage on DC side than stated 30-42v Dc ( getting 57vdc) we have swopped tx over to other led on different circuit and all is ok 38v dc lights work put the other tx back which works in office onto...
  7. P

    Tightening Positive Battery Terminal, Hit Chassis and Shorted Out?

    Hey everyone. Bit of a silly noob question. On my dirt bike, as I was tightening the positive battery terminal lead(it was loose), the allen key slipped and hit against the subframe causing a short and sparks everywhere, and causing the allen key to be extremely hot to touch. It was only for a...
    • peteandrewd
    • Thread
    • battery components connected damage other out positive short terminal
    • Replies: 28
    • Forum: Auto Electrician Forum
  8. L

    showerlite showerfan

    Good morning have just brought a basic showerlite showerfan from B&Q and I want to fit it in a down stairs shower and I want to know if it can be wired straight to the light switch which is a pull cord.
    • LR8289
    • Thread
    • connect connected neutral shower switch
    • Replies: 3
    • Forum: DIY Electrical Advice
  9. J

    Poor ir on when connected to mcb

    As above says, when testing ir on three circuits I put each circuits neutral into the line into the mcb and tested from mcb terminal to earth, each result below 1M, I then tried connecting the line and neutral in a terminal block , and the results shot up????? This consumer unit is in a cold...
  10. B

    Scratching my head lighting fault???

    Hi guys, am new to the forum. My issue is I got called to a friends house as they have an issue with their lights, I arrived and the issue was 1 lighting circuit controlling about 5 lights. I only had some hand tools on me thinking it would just be a hidden rcd or a lamp! I played around a...
    • Ben Burrows
    • Thread
    • circuit connected fault lighting lights other
    • Replies: 32
    • Forum: The Welcome Forum
  11. S

    light switch wiring - bottom landing light constantly on after new fitting

    Morning all.. I've replaced an old rose with a new spotlight fitting and light is constantly on... ...I've removed all red circuit words so just the live that goes to the light is connected... The switch for this light has just 2wires.. Both are red. .... How do I go about solving the...
    • Stephen Reece
    • Thread
    • after bottom circuit connected fitting landing light light switch looks new switch wiring
    • Replies: 4
    • Forum: DIY Electrical Advice
  12. a-z electrics

    usb charger sockets

    Anyone fitted these new sockets with integral usb charger slots? I've found you have to disconnect a supply wire when doing IR test.. might seem obvious with hindsight but caught me out the first time :dunce2:
  13. W

    New Lighting circuit - how are fans etc. connected

    Hi, I'm installing a new lighting circuit. Normal stuff - radial circuit with lights looped in on the ceiling roses. My question is - how are things like bathroom extraction fans, smoke alarms or an outside above door light normally included in a new circuit? Are they added as spurs off the...
    • Wavy Davy
    • Thread
    • circuit connected edition fans installed light lighting lighting circuit new smoke
    • Replies: 16
    • Forum: DIY Electrical Advice
  14. J

    messed up lighting circuit issue

    hi guys new to the site got a problem with a circuit at a property im working on description council kitchen circuits rewire db- 10way main switch rcbos previously installed problem - 1 x lighting circuit on mcb due to it tripping the rcbo ( last electricians left the rcbo in ccu cupboard...
  15. D

    Another quick 2394/95 question

    Hi lads help appreciated....describe how a prospective fault current test should be performed using a 3 lead instrument on single phase consumer unit? Cheers
  16. K

    Earth leakage current issue (no load connected)

    I've come across a problem today that has completely stumped me. I used my clamp meter on the main protective conductor and found there was over 4A flowing. Checking the line and neutral conductors, they each had exactly 2A. Obviously these numbers do not add up as if there was leakage to earth...
  17. 2

    Earth continuity fault

    hi all, I have this old reel to reel tape recorder that failed it's PAT test due to an Earth continuity reading, any ideas how to fix this? it is very old and has a few valves inside I am fairly new to electrical work but am very determined to get this thing working
    • 20%cooler
    • Thread
    • attach cable connected continuity earth fault mains
    • Replies: 19
    • Forum: UK Electrical Forum
  18. A

    rcd issue

    hello every body, I have been to a house this evening after a customer calls regarding a tripping rcd, I did the usual, all circuits off then on 1 by 1, it seems to randomly trip regardless of which breaker is switched back on, even mcbs on the non rcd side caused it to trip, which I thought a...
    • ample current
    • Thread
    • connected earth fault issue neutral rcd tripping
    • Replies: 7
    • Forum: UK Electrical Forum
  19. A

    PIR light wiring

    Hello, I am a (non-electrician) newbie on this forum. I was hoping that you clever folks might be able to give me some advice on how to wire a PIR light for my front porch. The PIR light has two settings. The first is activated by the sensor. The second is flicking on a light switch inside...
    • ag123
    • Thread
    • connected light pir switch wires wiring
    • Replies: 4
    • Forum: DIY Electrical Advice
  20. R

    rcbo trip question

    Been testing today on a new installation, it was a lighting circuit all lighting weird via click roses. Came to the rcbo test, trips on 5x at 100ms then says plus 40 on 5x. Quickly swapped out rcbo thinking it was just faulty and does same again with the new one. Some rooting around in loft i...
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