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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 think that the problem may be more about the name "radial". A radial circuit is simply that is not a ring. It may have as many branches, each with whatever attached, as long as the cable current rating matches the potential loads. One may decide that the best way to wire a number of sockets in rooms is to run a cable along a corridor, and have a junction box above each room door, then a cable to the sockets inside. This is a radial circuit. In each room one may have another junction box in the middle of the room with cables to each socket on the walls. This is still part of a radial circuit. Radial does not mean a single cable path!
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  • 0
    I think that the problem may be more about the name "radial". A radial circuit is simply that is not a ring. It may have as many branches, each with whatever attached, as long as the cable current rating matches the potential loads. One may decide that the best way to wire a number of sockets in rooms is to run a cable along a corridor, and have a junction box above each room door, then a cable to the sockets inside. This is a radial circuit. In each room one may have another junction box in the middle of the room with cables to each socket on the walls. This is still part of a radial circuit. Radial does not mean a single cable path!
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