Adding a junction box to an existing SWA run?

Discussion in 'Electrics UK' started by MisterBoy, 17 Nov 2021.

  1. MisterBoy

    MisterBoy

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    I have a SWA run along a wall to a couple of lights, but now I'd like to add another light about half-way along the cable.
    I want to add a Wiska box with cables entering underneath like on the other ones but obviously the cable isn't long enough to just cut it and get the loops underneath. Somehow I need to extend the cable but what's the right way? Figure there's an obvious answer once you know it.
     
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  3. flameport

    flameport

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    Three choices:
    1 - Pull some slack cable from one side of the other
    2 - Cut and add 2x junction boxes plus a small extra section of cable
    3 - Cut and replace a section from the cut point to the next junction with a longer piece.
     
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  4. MisterBoy

    MisterBoy

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    Thanks, that all makes sense. The extra box seems easiest... maybe I just add 2 lights while I'm at it.
     
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