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  1. ryan24
    Offline

    ryan24 Active EF Member

    Location:
    London
    Hi all

    If wiring a pool on a 32amp breaker using 6mm cable for heater and wiring the pump of the same circuit. What would be the best way to join 3 x 6mm cables together in the junction box? The reason is the armoured in connected to heater then coming of that to feed fused spur for pump. Looked at using wago connectors but the heater is wired using flex which won't work on 6mm wago connectors

    Thanks in advance
     
  2. Pete999
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    Pete999 Trusted Advisor

    Location:
    Northampton
    Are you an Electrician or a enthusiastic DIYer, Ryan?
     
  3. Murdoch
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    Murdoch Electrician's Arms

    Location:
    Woking
    I suspect the pump should be fused down.....
     
  4. ryan24
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    ryan24 Active EF Member

    Location:
    London
    Still learning. Reason I ask is the pool is already wired but want to replace the junction box. Was wired with 3x6mm cables into connector blocks but doesn't look like great connections
     
  5. ryan24
    Offline

    ryan24 Active EF Member

    Location:
    London
    the pump is fused down. Hence the 3rd 6mm cable which feeds the spur for the pump

    Thanks
     
  6. Pete999
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    Pete999 Trusted Advisor

    Location:
    Northampton
    Singles then?
     
  7. ryan24
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    ryan24 Active EF Member

    Location:
    London
    yes it's in singles between the junction box and spur. Just wondering how everyone else would join the 3. Doesn't seem like a good connection all 3 in one connector block
     
  8. anthonybragg
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    anthonybragg Electrician's Arms

    Location:
    NORTHAMPTON
    Business Name:
    CHARLTEC ELECTRICAL LTD
    I assume this is a TT supply, without any visual to see maybe install a small consumer unit/Dist. board not stated pool heater load for mcb size but 6A mcb radial to switched fused spur for pump.
     
  9. ryan24
    Offline

    ryan24 Active EF Member

    Location:
    London
    Thanks for your reply. The problem with that is it's an above ground pool. And it's currently an ip rated junction box and spur fitted in a cupboard under the pool. Any good junction boxes with terminals good enough to take 3x6mm?
     
  10. ryan24
    Offline

    ryan24 Active EF Member

    Location:
    London
    Also forgot to say it's not a TT supply. The cupboard under the pool is fed from a board in the shed on a 32amp breaker with 6mm swa
     
  11. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    Try the Wago 773-173.
     
  12. ryan24
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    ryan24 Active EF Member

    Location:
    London
    thanks for your reply I had looked at using that connector but it doesn't accept flex. The heater is wired in flex
     
  13. westward10
    Offline

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    What 6.0 flex to the pump spur.
     
  14. Pete999
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    Pete999 Trusted Advisor

    Location:
    Northampton
    6mm2 flex?
     
  15. Resu
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    Resu Trusted Advisor

    Location:
    Scottish Highlands
    Nothing wrong with connector blocks. Nothing wrong with crimps either ;)
     
  16. ED17
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    ED17 Electrician's Arms

    Location:
    North West
    What about twisting them together and wrapping tape round it?
     
    • Optimistic Optimistic x 1
  17. Resu
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    Resu Trusted Advisor

    Location:
    Scottish Highlands
    Works for some countries! Thankfully not this one.
     
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  18. martin mcguinness
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    martin mcguinness madspark

    Location:
    fife
  19. Lucien Nunes
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    Lucien Nunes Mercury Arc Rectifier Trusted Advisor

    Location:
    London
    So you want to common 3x 6mm² together, one of which is flex? Simplest is something like these screw-terminal commoning blocks:
    | RS Pro Non-Fused Terminal Block, 5 Way/Pole, Screw Terminals, 6 mm² Panel Mount, PC, 450 V | - http://uk.rs-online.com/web/p/non-fused-terminal-blocks/8680774/
    Unlike Wagos they will acccept 6mm flex although you'll want to ferrule the flex ends.
    OTOH if there's room to pop-rivet an inch of top hat DIN rail in the JB it would be neater to use low profile 1-in 2-outs.
     
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  20. a-z electrics
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    a-z electrics Regular EF Member

    Location:
    Exeter area
    Business Name:
    A-Z Electrics
    Wagos accept stranded, just not fine stranded. How many strands and what is the strand diameter?
    Tip.. may have to purchase a micrometer
     
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