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Discuss Shower Consumer Unit Wiring in the DIY Electrical Forum area at ElectrciansForums.co.uk.

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  1. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Hi Everyone

    I have fitted my own shower and researched what Consumer unit and RCD's I needed and now I have fitted it all and wired it all up I just wanted to 100% confirm with people in the know such as you guys that I have done it right, I have included a pic so you can see what I have done and just to say the wire coming in from the bottom is from the main consumer unit going into the top of the new RCD.

    Thanks

    View attachment 39278

    rcd.JPG
     
  2. Cadgey123
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    Cadgey123 Electrician's Arms

    Location:
    London
    Please put some Earth sleeving on :eek:
     
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  3. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Ok will do :)
     
  4. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    can't view attachment. says page not found.
     
  5. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Aside from that does everything look in order ?
     
  6. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    if i could see it i could comment.
     
  7. LewisM
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    LewisM Regular EF Member

    Location:
    Luton
    Link doesn't work pal.
     
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  8. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Sorry fixed it
     
  9. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    as post#2. otherwise looks OK. but give all terminal screws another pinch. they usually settle .
     
  10. LewisM
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    LewisM Regular EF Member

    Location:
    Luton
    Doesn't look too bad get some earth sleeving though this isn't the States! Also is the cable 10mm2 and how have you installed it?
     
  11. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    How many kilowatts is the shower. That looks like 6mm² to me which means the fuse is over the current carrying capacity of the cable. Not good. You would have to check the earth continuity and the Insulation resistance as well as test the RCD and do an Earth Fault Loop Impedance test to confirm it is ok apart from the above.
    And I am not sure the top would meet regs as there does not appear to be a gland, could be wrong but then I can't see it.
     
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  12. 123
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    123 Electrician's Arms

    Location:
    East Antrim
    It's 6mm as the cpc is solid (it's stranded on 10mm)
     
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    • Disagree Disagree x 1
  13. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    What is the installation method reference for the cable run ?
    What kW rating is the shower ?
    How is the distribution cable connected in the main consumer unit ?
    Does the top of the enclosure comply with the required IP ratings ?
    Why have you selected a C curve MCB ?
    Will you be testing this alteration to make sure it is safe, if so how ?
    Will you be reporting this work to building control, if so how?
     
    • Agree Agree x 3
  14. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    Good observation on the C type @Andy78@Andy78 I guess as it is old colour cable this was a like for like??
     
  15. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
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    Telectrix
    6mm is good for 47A if ref. method C.
     
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  16. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    Thinking it was probably reference method 101, and he may have a 10.5 kw shower?
     
  17. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    only OP knows how it's installed. anything i install, the itchy snot gets binned, out of the way.

    and showers are just for lazy bods who can;t be bothered having a proper bath.
     
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  18. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    Who knows? Unless the op has test kit nobody can say for sure what's going on ........
     
  19. Dannyg8810
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    Dannyg8810 Electrician's Arms

    Location:
    Leeds
    If the op had a test kit I’m pretty sure the op shouldn’t be asking if it’s ‘ok’ and there wouldn’t be a bare earth
     
    • Agree Agree x 6
  20. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Hahahaha Yes wouldn't want my work compared to theres lol
     
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  21. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Hi guys the wire coming in from the top is 10mm and was already installed from the cupboard to the shower when I moved in, and the shower is a 8.5 kw. I was told 6mm cable would be fine for the rating of the shower and the consumer unit is a shower kit from screwfix with a 63a rcd & 40A mcb. the distribution cable is coming from a 32a mcb which I was thinking of changing and yes the top does have a gland just out of sight.
     
    • Disagree Disagree x 1
  22. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    every step I have taken has been taken from advise from a friend which is why I am double checking with you now and nothing is connected which is why I didnt get round to putting sleeving on the earth as I have other bits to get as well as sleeving yet
     
  23. KEV 1 N
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    KEV 1 N Regular EF Member

    Location:
    Durham
    I see two solid core cpcs, so they are 6mm2
     
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  24. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Not sure if this has been mentioned above, but this is notifiable work. Did you open a case with building control before you started work?
    Who is doing the testing and certification? If its you, do you have the relavent calibrated test equipment to carry out all of the necessary tests that enable you to complete an Installation Certificate?
     
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  25. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    I haven't opened a case with them no and a friend who is an electrician is doing the testing and certification for me once I have finished but he is on holiday atm so cannot help me at mo so i'm doing what I can on my own which is why I am asking for help atm
     
  26. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    So some factual advise would be appreciated so I can do as much as I can correctly before he arrives back
     
  27. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
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    Telectrix
    then as long as your electrician is going to check it before energising, i see no problem.
     
  28. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
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    then as long as your electrician is going to check it before energising, i see no problem.
     
  29. 123
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    123 Electrician's Arms

    Location:
    East Antrim
    On these type of threads the "Electrician" always seems to be on holiday:airplane::airplane::tearsofjoy:
     
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  30. streamer
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    streamer Regular EF Member

    Location:
    Scottish Borders
    I am always amazed at the number of DIY folk who have an electrician friend who is on holiday at the time that they decide to try some electrical work so they ask for advice on here. Perhaps it's just a massive coincidence. If you do have a friend who is an electrician please just wait until he/she is home.
     
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  31. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    don't blame him.it's bloody bollck freezing here.
     
  32. streamer
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    streamer Regular EF Member

    Location:
    Scottish Borders
    #123 you are as cynical as me, and you type faster.
     
  33. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Well with the money they earn its not a surprise they go on holiday so often hey !!! Now I'm looking for help not to be criticised over having a go myself
     
  34. DJ Ovengloves
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    DJ Ovengloves Regular EF Member

    Location:
    Purley
    Three facts for you.

    You don’t really know what you are doing and don’t have test gear. That is dangerous.

     
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  35. kingeri
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    kingeri Trusted Advisor

    Location:
    Yorkshire
    I bet your friend forgot to take his phone with him as well didn't he?
     
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  36. Rob
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    Rob Trusted Advisor

    Location:
    North west
    I bet his friend doesn't exist....
     
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  37. kingeri
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    kingeri Trusted Advisor

    Location:
    Yorkshire
    This doesn't make sense to me. He is the electrician, and for an electrician this is a quick job. He would, I'm sure, be much happier doing the whole job himself. It may take him as long to check what you've done and rectify any errors than to do it himself. He should only be willing to put his name to his own work, or work that he has personally supervised.
     
  38. KEV 1 N
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    KEV 1 N Regular EF Member

    Location:
    Durham
    The old "my friends an electrician" ploy!!
     
  39. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    you jest i hope. a trainee police officer earns more. a qualified nurse earns more. a train driver earns twice as much. a solicitor charges 10 x as much. our trade is the most devalued going.
     
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    • Disagree Disagree x 3
  40. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    Unfortunately the internet does not work like that. You don't have a right to demand just the comments you are expecting. This is a free and open platform.

    The best advice here is to get your electrician friend to advise you as they will be signing the certificates. This should be no problem for you to wait for as you should not be energising this until it is proved safe by testing.
     
    • Agree Agree x 1
  41. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    The thing is @Shmeefly@Shmeefly, how is the cable routed to the shower? Is it in stud wall with insulation? or underfloor in insulation or just tacked to the wall all the way to the shower? It is important. The cable is not 10mm² it is 6mm². Which may well be ok for a few reasons. You say in your first post you researched what you needed then later your electrician/friend advised you
    Its those kinds of inconsistencies that raise questions about the posters mhmm?
     
    • Agree Agree x 1
  42. PEG
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    PEG Trusted Advisor

    Location:
    Manchester
    I have just pressed the probes of my MFT on the terminals in that photograph.......and it's live!

    (IR's good,though...);)
     
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  43. Shmeefly
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    Shmeefly EF Member

    Location:
    Weston Super Mare
    Thankyou Vortigern you seem to be the 0nly one who is here to help,
    The wire was already installed when I moved in so I'm unsure exactly how it is routed :-( It goes up one floor through the middle of the floors then drops into the bathroom out of the wall, as I said it was already here so just working with what was already installed. My friend is not by any means a close friend so I'm not expecting a massive amount of support to be honest apart from he said he would come and check it and certify it when he gets back
     
  44. Vortigern
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    Vortigern Electrician's Arms

    Location:
    England
    Business Name:
    F.H. Electrical
    Well on the basis of the facts presented it would seem you may be safe to get in the shower. I would insist on you first though;) However I would just wait for it to be tested to be absolutely sure. So if I read it right, you have replaced a shower that was already there? It has been mentioned that you have a C type 40a MCB which can present problems for automatic disconnection of supply and may not switch off in time. Although at 40a you are in slightly different territory than the usual ring final circuit but never mind about that. I suggest in any event you change it for a B Type 40a MCB before anything else. It is more likely to be a safer bet.
     
  45. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Is the RCD operating within the required spec too?
     
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