wiring downstairs light circuits

[driverman]

As some of you know, I'm doing a first fix for family member. I now know that in a modern house its best to do loop method of wiring from switch to switch due to modern day down lighters and light fittings only accepting one cable. I did have a thought though (bear with me) as there are 3 x cupboards on the ground floor of using flush joint boxes in each one to wire the various light switches to etc. I would still loop each LED down lighter together though. so all j/boxes would be accessible for test inspection and maintenance. Anyone done similar? thanks

 

[Octopus]

Before you all go overboard have a look for the “octopus” wiring system. It’s been around for years. Great for testing and fault finding so long as the central box is accessible.

AND labelled properly

 

[driverman]

J701 does fine for me.

I was thinking something on the lines of being flush as opposed to surface box like J701. What about if say an Appleby 665 double metal flush box with a blank plate was used. I've never used Wagos before but could those as opposed to choc - blocks which I would of used years ago.

 

[shanky887614]

3 plate without doubt is a good tried and trusted method, however these days with LED downlights and posh chandaliers wiring through the switches is prefered by a lot of sparks so there is only a pair at the light, I understand that and agree it is a good method, I personally wouldn't create more joints by adding an adaptable box in a cupboard to be the connection unit but it is installed a fair bit these days and again nothing wrong with it, just not my cup of tea.

usually we do 3plate but we do it with a jb next to downlight, can remove downlight to easily gain access if you need to.

 

[Guest77]

usually we do 3plate but we do it with a jb next to downlight, can remove downlight to easily gain access if you need to.

Thats okay if you have a small 20 amp lighting JB, if 1mm2 is used and the downlight hole big enough to get the JB out if required, nothing wrong with it though of course.

 

[shanky887614]

Thats okay if you have a small 20 amp lighting JB, if 1mm2 is used and the downlight hole big enough to get the JB out if required, nothing wrong with it though of course.

we tend to use icage downlights so plenty of space

 

[driverman]

Thats okay if you have a small 20 amp lighting JB, if 1mm2 is used and the downlight hole big enough to get the JB out if required, nothing wrong with it though of course.

Re J/B's in roof space. Should not all J/B's be firmly fixed as opposed to floating? Even if 17th edition whereby cables are clamped entering the J/B's.

 

[Geordie Spark]

3 plate without doubt is a good tried and trusted method, however these days with LED downlights and posh chandaliers wiring through the switches is prefered by a lot of sparks so there is only a pair at the light, I understand that and agree it is a good method, I personally wouldn't create more joints by adding an adaptable box in a cupboard to be the connection unit but it is installed a fair bit these days and again nothing wrong with it, just not my pint of Creamflow.

Fixed that for you Mark.

There will be no charge.

 

[telectrix]

Fixed that for you Mark.

There will be no charge.

and no bloody taste either. creamflow.. YUK.

 

[Guest77]

and no bloody taste either. creamflow.. YUK.

I disagree, a pint of John Smiths is lovely.

 

[driverman]

I disagree, a pint of John Smiths is lovely.

Amazing really, on about wiring lights............and ends up boozing!

 

[Engineer54]

I've never used the central JB method for light circuits, but i'd rather use that method than looping through switches, which is something i've never done and never will. Nothing against neutrals in switch boxes, but only when and if they are needed, and 9 X out of 10, they never will be in a domestic installation.

 

[Rockingit]

I've never used the central JB method for light circuits, but i'd rather use that method than looping through switches, which is something i've never done and never will. Nothing against neutrals in switch boxes, but only when and if they are needed, and 9 X out of 10, they never will be in a domestic installation.

This is an odd occasion when I'm inclined to disagree with you matey. More and more houses are now wanting things like one-touch / remote dimmers, receivers for home automation etc etc, and whilst yes I'd agree that this is a percentage far less than 50%, I'd say it's rapidly developing into far more than your 10%, and growing - especially on higher spec new builds. Having given the matter some thought, whilst I'm not going to stray from loop at ceiling unless there's a good reason (let's face it, there are times when loop at switch DOES make sense) I think I will start using 3c as switch drops instead of 2c on new builds - it's a handful of pence on a domestic job - just to future proof.

 

[Engineer54]

This is an odd occasion when I'm inclined to disagree with you matey. More and more houses are now wanting things like one-touch / remote dimmers, receivers for home automation etc etc, and whilst yes I'd agree that this is a percentage far less than 50%, I'd say it's rapidly developing into far more than your 10%, and growing - especially on higher spec new builds. Having given the matter some thought, whilst I'm not going to stray from loop at ceiling unless there's a good reason (let's face it, there are times when loop at switch DOES make sense) I think I will start using 3c as switch drops instead of 2c on new builds - it's a handful of pence on a domestic job - just to future proof.

As i say if a neutral at a switch is needed FINE, i have no objection whatsoever. As for looping through the switches, no way will i ever go down that route!! It's also a fallacy that less wiring is needed, you'll be using more cable, every switch drop will require a minimum of two cables. I've seen what happens when you have combinations of 2 way switching and/or intermediates at switch positions, ....a total mess of crammed in cables, filling even 45mm back boxes!! No thanks!! lol!!

 

[DPG]

I've never used the central JB method for light circuits, but i'd rather use that method than looping through switches, which is something i've never done and never will. Nothing against neutrals in switch boxes, but only when and if they are needed, and 9 X out of 10, they never will be in a domestic installation.

You obviously don't keep up to date with modern devices and trends eng! Plenty of people now wanting more high tech stuff than just a single pole light switch Daz

 

[Engineer54]

You obviously don't keep up to date with modern devices and trends eng! Plenty of people now wanting more high tech stuff than just a single pole light switch Daz

Working on the bigger projects, i'm probably more upto date with modern devices than most. But i'd still feel confident saying that the vast majority of British homeowners that purchase new builds or want/need a rewire to their property won't be thinking of any of the fancy gizmos you have in mind, and certainly not at every light switch in the house.... Trends take a long time to materialise in the UK and forgotten about a damn sight quicker...lol!!