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2 plate lighting question

Former Community Member
Former Community Member
Hi all,


New to the forum so please be kind! I'm starting a rewire of my home and have decided for a multitude of reasons to go with wiring the lighting using the 2 plate method(smart light switches and the like mostly requiring neutral). I was intending and can't see any negatives to doing it slightly differently in that I wasn't going to take the feed for following on differently switched lights from the switch, instead I plan to supply one junction box from the consumer unit and then spur off for each room's lighting (may install a second jb depending on how congested the first is looking). 


In doing this I would avoid there ever being a need for more than 3 cables in a single light switch, i.e. worst case scenario i'd have permanent supply (from jb), switched supply to light fitting and lastly in some cases a 3C & CPC for 2 Way switching. Plus in my mind make future installs easier, i.e. any additional feed coming from one central point.


Can anyone think of any good reason not to do the above? Can't see anything in the regs to suggest this would be a problem? 


Cheers all!
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    gbruell:
    wallywombat:

    But make sure such a central junction box is easily accessible, otherwise you end up with the worst of all worlds.


    Whys that? I would surely at a later date be able to take power for future lighting from a either the JB or from any of the switches as they all contain permanent L, N & CPC




    Because there's lots of reasons why you might want access to it at a future date. Even for just adding a new light and switch, the JB might be the logically easiest/best place to take a new feed, but now you can't because of access.  But its a lot more than that; you'll want to be able to test and inspect, fault-find and maybe move/remove an existing light or fitting. All of which becomes a pain if the JB is under floorboards subsequently covered by tiles or laminate or something else not easy to uncover.


    Also if the JB isn't accessible, it has to be a Maintenance Free type to BS 5733.


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    gbruell:
    wallywombat:

    But make sure such a central junction box is easily accessible, otherwise you end up with the worst of all worlds.


    Whys that? I would surely at a later date be able to take power for future lighting from a either the JB or from any of the switches as they all contain permanent L, N & CPC




    Because there's lots of reasons why you might want access to it at a future date. Even for just adding a new light and switch, the JB might be the logically easiest/best place to take a new feed, but now you can't because of access.  But its a lot more than that; you'll want to be able to test and inspect, fault-find and maybe move/remove an existing light or fitting. All of which becomes a pain if the JB is under floorboards subsequently covered by tiles or laminate or something else not easy to uncover.


    Also if the JB isn't accessible, it has to be a Maintenance Free type to BS 5733.


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