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What is the best way to wire ceiling lights?

Arran Cameron
The ceiling rose junction box with its loop-in wiring is now really showing its age and is no longer a practical (or even safe) installation for most residents who wish to install fancy light fittings. It is still, however, the most common arrangement for new build houses and rewires, probably as the result of the electrician's training and how they consider it to be the norm or they cannot think of (potentially better) alternatives.


So, what is the best way to wire ceiling lights? Should neutral wires be taken to the switches or not?
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    Dbat:

    Have you ever tried to do some basic circuit fault finding? Easy access and splitting up of cables is the name of the game, and your going to struggle if the previous person went down the central hidden junction box route aren't you?




    I was thinking of this thread today as I was poking some cables into a Wago/Connexbox MF JB. Splitting a circuit is all very well, but ordinary Wagos (i.e. not the lever type) are not really meant to come apart. Yes, I know, you can twist and pull, grunt a few times, and they will separate. ? As I was looking at some adjacent plumbing, it occurred to me that these things are not meant to be pulled apart. They are MF for a reason - they are for life!


    As far as finding JBs is concerned, even without a map, surely logic dictates that they will be above (or below) a branch to a particular socket.


    As far as rodent damage is concerned, how do you find it short of pulling up floorboards one at a time? Yes, non-permanent connexions may allow a fault to be narrowed down to a particular length of cable, but that does not tell you where the damage lies. Or would you simply disconnect the faulty segment and bung in a new one in parallel as it were?

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  • 0

    Dbat:

    Have you ever tried to do some basic circuit fault finding? Easy access and splitting up of cables is the name of the game, and your going to struggle if the previous person went down the central hidden junction box route aren't you?




    I was thinking of this thread today as I was poking some cables into a Wago/Connexbox MF JB. Splitting a circuit is all very well, but ordinary Wagos (i.e. not the lever type) are not really meant to come apart. Yes, I know, you can twist and pull, grunt a few times, and they will separate. ? As I was looking at some adjacent plumbing, it occurred to me that these things are not meant to be pulled apart. They are MF for a reason - they are for life!


    As far as finding JBs is concerned, even without a map, surely logic dictates that they will be above (or below) a branch to a particular socket.


    As far as rodent damage is concerned, how do you find it short of pulling up floorboards one at a time? Yes, non-permanent connexions may allow a fault to be narrowed down to a particular length of cable, but that does not tell you where the damage lies. Or would you simply disconnect the faulty segment and bung in a new one in parallel as it were?

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