out

  1. D

    Pick the bones out of that little lot ...

    some one really to pride in these consumer units
  2. G

    Changing out old 80's wall light switch , help needed :)

    Trying to change out an old 1980 dual wall ceiling fan light switch , but the old wiring doesn't seem to have the same type of wiring as the new switch we bought. Inside of the old switch it looks as though they split and then soldered the black wiring underneath the casing so they could...
  3. G

    Interesting cables wot I have chopped out.

    Well, interesting to me anyway.
  4. A

    Temporary lights out after rainstorm

    There was a heavy rainstorm yesterday. Afterwards, the lights in two rooms were out (GU10s in the ceiling) though the other power in the rooms was fine. No tripped fuses. This morning they are working again. Any ideas of the cause please, and whether something needs attending to?
  5. G

    Help me work out volt drop please....

    Hi all, I am currently doing my 2391-52 and have been given a mock paper, one of the questions is around vold drop as per below, can someone please help me understand how to get the answer as I just cant seem to work it out! Thank you advance! Voltage drop of a single-phase distribution...
  6. F

    Burned out loft wiring and overload?

    I could use some help and advice for this setup in a new house. No clue about electrics.. just want to identify if this is safe or a bodge job (I didn't do it). The loft has been converted and has the wiring as follows... It's at the end of wire, which I believe is called a 'spur'. Wire up from...
  7. J

    Well Pressure Switch won't cut out.

    My well pressure switch would not cut out so I replaced it with a brand new one (on at 40 lbs, off at 60 lbs) and made sure my pressure tank was at 38 lbs. No Joy. I tested all wires and found that all connections except one were 120v, as they should be. The cut off switch wire is at 48v...
  8. C

    How to run MC out of panel

    If you're using MC Cable for wiring main runs from an outdoor panel, do you just strip back the necessary amount of metal jacket to go from the panel to inside? Or use THHN from the panel to a junction box inside the house, then start using MC?
  9. D

    What's the best approach to swapping out this alarm for a new ring alarm?

    I have the following alarm system, but I've just purchased a new Ring alarm bundle that I want to swap it for. Couple of reasons why I haven't just ripped this out to start over with my new one: 1. The original alarm keypad by my door has a power cable I'd like to use for the new Ring keypad...
  10. B

    Seimec 3 phase motor plate shows wiring for 240v? Can I have 1 phase out of it?

  11. B

    So i am having some dramas as where to start for this practice theory exam question can someome please show me how to work it out :)

    A load consisting of three idnentical coils with a resistance of 11 ohms and inductance of 50 mH are connected in (i) star, and then (ii) delta to a 400v 50Hz 3 phase suply. Determine the total power dissipated in each case
  12. J

    Callout charges & work carried out couple of days later

    Hey I let out my flat to help with the mortgage costs and I live with my parents. Flat let via fully managed letting agents. My question, Electrician went out to reports of fault with economy 7 heater that is 2.5 yrs old and additional earth bonding required due to new regulations as existing...
  13. J

    How much work is out there currently?

    Ok I would like to hear only from Sparks who sub to companies CIS or Sub to agencies. I’m talking just turn up and get your tools out kind of jobs. How much of this sort of thing is out there? Not hearing back from anyone. Not see anything advertised. Only work I can see Is social housing. Not...
    • John Matrix
    • Thread
    • currently electrical work out
    • Replies: 19
    • Forum: UK Electrical Forum
  14. W

    I need help with figuring out an equation

    Hello, I’m in dire need of help. here is the question A kitchen Ring final circuit is wired in 2.5/1.5mm T&E and protected by a 32A type B circuit breaker. 70m of cable has been used. Q1. What is the expected r1, r2, rn value ? So far I’ve used the equation R=Mohms/m X Length =1,365.7...
  15. J

    Can I carry out commercial work?

    Hi everyone, A quick background to me and my question. I have been working for a commercial catering equipment engineering company for about 10 years and working mostly repairing appliances but also fitting new equipment in commercial premises, Sometimes running new circuits from the CU for new...
  16. C

    how to work out what size commando plug I need.

    Hello. It has been a long time since circuit designing for me as I am a simple maintenance person. How do I work out commando plug sizing, for example a machine rated at 32A, plus I have several machine that need moving onto one board, I have there rated current how do I work out board size...
  17. AJshep

    UK Bs7671 Ammendment 2 DPC now out

    For those that are interested ammendment 2 got released earlier today.. https://standardsdevelopment.bsigroup.com/Projects/2019-02917#/section From a quick glance it looks like we will be installing AFDDs for AC final sockets and final circuits upto 32amps with the exception of some safety...
  18. S

    Is This Safe to Take Out?

    Hi I posted a few weeks back what looks like to be an economy seven timer located in a store cupboard in my flat that I assume was connected to a large storage heater that I no longer use. I am arranging to have the timer removed when the fusebox is updated in a couple of weeks however I have...
  19. Doomed

    For the geeks out there

    During an EICR found this powering the doorbell I was impessed, any other geeks recognise it? (sorry its blurry)
  20. M

    Condition of service head/cut out fuse etc. report to DNO?

    Hello Came across something like this.Is that something what i should report to DNO?.its supply to 2 flats.New cable on the left goes to first floor flat where electricity meter is.Its not SWA.All seals has been cut off. If i report it do they come on short notice and put new service head etc.?
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