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Discuss What would you do - inaccessible JB in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Doing a kitchen refurb, adding new RFC etc. After stripping out all the old stuff, I'm left with a JB which will be inaccessible, which had been used to feed a spur form the existing house RFC. The spur leg has been removed, but still leaves the JB. Whoever did the JB, didn't cut the conductors, just removed the sheathing & insulation to do the joint.

    Once the ceiling goes back up, this JB will be inaccessible. To replace this JB with an MF JB, will require some rewiring & damage to decoration to the room above, as the cables to JB will be too short.

    What would you do, replace or leave as is?
     
  2. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    Is this connection on the circuit you are changing?
     
  3. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Nope. This RFC is the only one currently in the house, and its being removed from the kitchen. There is another socket on this RFC, which will need to be removed from the kitchen, can't rewire the legs, 'cos of floor coverings above, so the ends of the legs for this bit will go in a MF joint.

    Just this one, need to decide what to do?
     
  4. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    If the conductors are continuous it's not a point of connection. Make sure it's in good nick and poke it away.
     
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  5. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    It's a bit b like this shiny new CU;


    IMG_4106.JPG

    What would you do about the tails and main earth on this? On an EICR it's probably a C2
     
  6. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    That's what I was thinking, making it MF will make 'worse' that what it currently is.
    Cheers :)
     
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  7. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    why a C2?
     
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  8. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    I'd blame the manufacturer for not making the knock outs the correct size!
     
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  9. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    Probably bring it to the attention of the owner, explain it's not right but unlikely to cause any problems, and if they want it altering then sort it out.
    If other issues were apparent then I might worry more.
     
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  10. sparksburnout
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    sparksburnout Electrician's Arms

    Location:
    Notts
    How is it potentially dangerous? Surely not steady Eddy?
     
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  11. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    that's what i qureied. only thing is eddy currents, but, IMO< they would be insignificant.
     
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  12. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    I'd be a bit more worried about that 'Important Safety Notice' below the CU. I have one of those, and it wasn't until about 5 years later, that I found out what the **** had done to my chimney pot;

    IMG_1513.JPG
     
  13. sparksburnout
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    sparksburnout Electrician's Arms

    Location:
    Notts
    Haha thats a right lash up if ever I saw one! Why is the pot so low down? I reckon you commissioned that on purpose with a sign that said "f*** off Father Xmas" on it.
     
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  14. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
    Its all right now, sorted it myself

    IMG_1525.JPG
     
  15. Wilko
    Online

    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    I would like to see the tails glanded and clipped. It looks like they are hanging loosely out of 20mm grommets and so will be pulling on the board isolator (?).
     
  16. anthonybragg
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    anthonybragg Electrician's Arms

    Location:
    NORTHAMPTON
    Business Name:
    CHARLTEC ELECTRICAL LTD
     
  17. anthonybragg
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    anthonybragg Electrician's Arms

    Location:
    NORTHAMPTON
    Business Name:
    CHARLTEC ELECTRICAL LTD
    If your saying that the conductors are unbroken ie. no joints then just secure j. box to joist and clip the cable.
     
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  18. Derek Morrison
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    Derek Morrison EF Member

    Location:
    Forfar
    Looks like a crabtree board. Don't like them either but have used and bored out 40mm hole in centre underside, where larger knockout is. Fixed in a nylon gland where bung had 2 holes for tails and 1 for earth. Ask wholesaler for these glands and they can get them
     
  19. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    ^^ Its a Wylex box
     
  20. Derek Morrison
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    Derek Morrison EF Member

    Location:
    Forfar
    Same principle as suggested
     
  21. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    ^^ I will simply comment on the MWC that I issue when I'm done .....
     
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  22. Derek Morrison
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    Derek Morrison EF Member

    Location:
    Forfar
  23. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
  24. Midwest
    Online

    Midwest Electrician's Arms

    Location:
    Oxfordshire
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