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SWA resin joints

Discussion in 'Electrics UK' started by DaftPunk, 15 Sep 2013.

  1. DaftPunk

    DaftPunk

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    I've got a SWA cable to repair next week which has been severed by a digger. The cable is cleated to a wall outside. Is a resin joint kit ok to use on a cable which is not buried in the ground and exposed to UV etc?
     
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  3. mfarrow

    mfarrow

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    I'd read the instructions on the individual joint kit, but other than that I can't see it being a problem. I have witnessed it done myself, at 11kV.
     
  4. bernardgreen

    bernardgreen

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    How much of the cable is damaged ? If it is a clean cut you might find there is enough slack to pull the ends together and a single joint will suffice.

    Other wise you may need rwo joints and a length of cable to replace the damaged section.
     
  5. Lectrician

    Lectrician

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    I wouldn't be using a resin joint to joint a cable on a wall - It would be too much hassle for a start.

    An adaptable box or too would be my choice - What size cable?
     
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  6. Taylortwocities

    Taylortwocities

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  7. ericmark

    ericmark

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    The shrink sleeve type look a lot neater when complete. But I have used Resin type without a problem.
     
  8. PrenticeBoyofDerry

    PrenticeBoyofDerry

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    IP rated adaptable boxes would be easier than resin filled joints and likely to look neater.
     
  9. Taylortwocities

    Taylortwocities

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  11. DaftPunk

    DaftPunk

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    I've not seen the job yet so I don't know how bad the damage is or what size cable, but it sounds like it'll be a small one. Maybe 6 mil 3 core or less.

    The job is on a farm so looks are not really important but reliability is.

    I've found joints with gewiss boxes etc and CW glands to be difficult to get properly waterproof, whereas resin joints are cheap and easy to use and proven to be reliable underground. I'm just not sure if they'll break down due to UV exposure.
     
  12. JohnW2

    JohnW2

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    If you really want to use a resin joint, but are concerned about the effects of UV exposure (and particularly given that appearance is not really an issue), you could always put the resin joint inside an enclosure to protect it from the UV.

    Kind Regards, John
     
  13. mfarrow

    mfarrow

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    As far as I am aware, it already is, insomuch as the cheap plastic casing is there more as something to hold the resin in place whilst it's setting, rather than being a functional part of the finished joint.
     
  14. Ahtyrrell

    Ahtyrrell

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    I would use an adaptable box, the resin joints are not really made to be fixed to a wall and really will look terrible and be prone to damage.
    I suppose you could use two adaptable boxes and turn the cable so the glands entre from the bottom then use a piece of conduit between them rather then a silly piece of SWA
     
  15. JohnW2

    JohnW2

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    I would think that's true. However, the OP clearly has a concern, so I suggested a solution to address that concern!

    I have to say that I would personally be very hesitant to use a resin-filled joint 'unnecessarily' above ground - after all, they are the ultimate in 'inaccessible joints', even when physically very accessible! In the OP's position, I would almost certainly use some of sort of adaptable box(es).

    Kind Regards, John
     
  16. DaftPunk

    DaftPunk

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    Thanks for the replies. Turned out it was only a 5 meter run of 4 mil 3 core, so I replaced the cable with out the need for a joint.
     
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