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Radial Circuit using box installation method...

Former Community Member
Former Community Member
I am curious if anyone has ever done this, and if not any reason?  Is it acceptable? 


So, the scenario is that you install a radial circuit for lighting or sockets for that matter (could apply to either in this instance), and the image I've attached as the example probably isn't the best, but it was the clearest image I could find. 


The example is as follows - you have a circuit coming from the CU on a 16amp radial, rather than just go from one to the other repeatedly could you not use a junction box installation method. As long as the box was accessible.  I know the image shows lighting etc, but I was not thinking of it like that in this instance, it would be either just lighting or just sockets. 

992563266d16340370be4f2ff3f68dde-huge-screenshot-2021-02-15-at-16.28.37.png1f339cb9468d38ac0d0749602b0dec82-huge-screenshot-2021-02-15-at-16.42.16.png


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    I cannot see the objection to JBs myself. Electricians should be familiar with a variety of installation methods. 


    Might equally well be singles joined in BESA boxes.


    Looping everything may work, but it may also waste a lot of copper (and PVC). It may, potentially, end up with an excessively long circuit.


    If you do loop a radial socket circuit, do you apply a grouping factor for the circuit as it goes up and down the wall?


    What's wrong with a "herringbone"? Anybody who has done some rallying will know what I mean.
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    I cannot see the objection to JBs myself. Electricians should be familiar with a variety of installation methods. 


    Might equally well be singles joined in BESA boxes.


    Looping everything may work, but it may also waste a lot of copper (and PVC). It may, potentially, end up with an excessively long circuit.


    If you do loop a radial socket circuit, do you apply a grouping factor for the circuit as it goes up and down the wall?


    What's wrong with a "herringbone"? Anybody who has done some rallying will know what I mean.
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