S

sivoodoo

Which method would you think uses the least amont of cable, looping in at the ceiling rose or at the switch?

Regards

Si.
 
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sorry you'll have to tilt your poor heads but here is the image from the AM2 notes showing feed to the switch for two way and inter lighting in twin and earth.

Look I'm not here to start an argument, it's already been started! All I'm saying is, that in addition to the 'solysta' range from Hager, that it is no longer just a 'do- not' from the old school boys, but a legitimate variation to traditional methods with it's own merits and need to be considered when designing lighting systems. There is nothing in the regs that says you can't have neutral at a switch, you just can't ONLY switch the neutral. There really are no other reasons that it can't be there.

And yes, i did misread a post on here that I replied hastily to so apologies for that. Must learn to read more carefully (lol, note to self!).

Thanks all.


Were all guilty of doing that!! ..lol!!

Well i can't honestly see the point of that diagram, it's not showing a switch loop system, it just shows the going to the first switch!! Maybe for ease and clarity of the diagram? Not sure why they brought the sw/line running back thru the other switch boxes either!! lol!!
And this you say, is drawn up by the IET?? Dear God!!! lol!!!
 
to be honest my sentiments were as your own when I saw it. But you don't argue when they're the ones taking the money off you to assess you do you? I only posted this in answer to the wider debate, most fueled recently by a heated thread (was it even closed?) about neutrals at switches. This is the score, I'm a young entry to the profession, educated to degree level (not in engineering) but interested in intelligent debate. I don't make the rules. I came into the game being shown the feed to the switch method and have seen it signed off time and again. Only in time gained with other sparks to come up against this resistance to the first practice I was shown. now, years later, I've seen all sorts of methods, and I've done the 17th. Having recently read threads on this contentious topic and sat my AM2, and reading the electricians monthly publications I thought I would add (the business') two-penneth worth in the hope that clever old boys would see past the old accepted ways and embrace the new ways based on sound reason.

Regards.
 
to be honest my sentiments were as your own when I saw it. But you don't argue when they're the ones taking the money off you to assess you do you? I only posted this in answer to the wider debate, most fueled recently by a heated thread (was it even closed?) about neutrals at switches. This is the score, I'm a young entry to the profession, educated to degree level (not in engineering) but interested in intelligent debate. I don't make the rules. I came into the game being shown the feed to the switch method and have seen it signed off time and again. Only in time gained with other sparks to come up against this resistance to the first practice I was shown. now, years later, I've seen all sorts of methods, and I've done the 17th. Having recently read threads on this contentious topic and sat my AM2, and reading the electricians monthly publications I thought I would add (the business') two-penneth worth in the hope that clever old boys would see past the old accepted ways and embrace the new ways based on sound reason.

Regards.

I'm not having a pop at you Voltz, as i have stated many times before, i have no problem taking a neutral to the switch, but if and only if there is a need for that neutral to be there. I have never seen any need for looping thru switches, i've seen plenty of instances where it has been, and those back boxes were always Full of unnecessary joints/connectors, especially when it wasn't just a straightforward 1 way/1gang switch.

So no thank you, you younger sparks can do whatever you want to do as far as looping thru switches, I for one will not, it has been and will continue to be a bad practice in my book.
As i said before i've never seen anything official endorsing this method, i've also never seen any publication of any merit showing or endorsing switch looping either. Best i think to agree to disagree on this one.... lol!!
 
cheers then '54. Sometimes, the 'agree to disagree is the best approach and I salute your steadfast approach. Im sure I would learn a lot from you on a job (seriously now, no tongue in cheek). It's a diverse world out there and as long as we're not working dangerously then there is no harm done accepting different working practices. The only harm done is when people can't accept (for no good reason i.e. a regulatory stipulation) that other working practices exist and stick dogmatically to their own ways when other ways could be better and won't open their minds to learning from other people.

Your contributions are thoughtful, respectful, and are borne in mind. i may need you sometime for further enlightenment.

Until then, goodnight and godbless.

regards.
 
I would say that they are mere examples or diagrams, not endorsements.

For the record, I don't loop at switches, I'm just playing devils advocate.

Your probably right, but at least they never use (as far as i have seen) switch looping in their examples!! lol!! Which could in a weird way, be seen as a form of endorsing a particular method over another. ...lol!!!!
 
"There goes yet another nail into the coffin of our industry!! "

Not really.

Its safer, fact.

Most electrocutions occur when a DIYer switches off the switch and removes his ceiling rose believing it is dead "but I switched it off!" he says. Zap.

Its so much more logical to have the neutral at the switch. Turn of the switch and the light is dead, unless of course the missus comes in a switches it back on.

I think my first question is a bit daft anyway. It would all depend on the circuit arangements, I was just wondering and thought there may be a magical equation :)

Regards

Si

Just go's to show that they are not competant to do electrical work.
 
51 entries - wow.

Either way, IMHO, is appropriate - it generally depends on the design of the house, circuit, etc

Personally I perfer hiding JB's under yards of insulation material along with GU10 down lights, omitting identifying the switch cables properly, ignoring IP rating rules in bathrooms, etc, etc.


JOKING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
I genuinly can't see the advantage of Looping at the rose instead of the switch. Looping at the rose mean's you're spending more time working overhead and at a difficult angle which nobody like's doing.

Looping at the switch is miles better IMHO, if you've got a fault its at a comfortable height and if you ever have to add an outside light just a single cable chase up above the switch and you're there. You don't have to worry about get multiple cables to the light. Also, how many times in a loft are the door's relativly close to the loft hatch? Switche's are generally next to the door. Mean's you only have to worry about getting one cable out to the centre of each room which can be a complete pain in a small loft when you have to get two cable's out to the rose and it save's time, you're in the loft shorter because everything is close to the entry hatch. Started rambling at the end but it makes sense to me lol.
 
I loop in at either switch or fitting, all depends on what is easier for the type of lights that are being installed. When downlights or doing outside lights are installed I always loop in at the switch.
 
What electronic devices, and would you need a neutral at every switch in the installation?? I think not to be honest!! I don't have anything against having a neutral at the switch position, but ONLY when a neutral is needed. I would never and have never looped through switches as a matter of course. To-date, i have never seen any official body either showing wiring diagrams or describing switch looped lighting circuits or in any other way endorsing such a wiring scheme.

If you take that line Eng54 lighting using T/E cable would be impossible other than using joint boxes. Neutrals at switches not allowed because they are not required?...Well permanant lives are not required at a light,so presumably you do not approve of looping in at lights either?...which leaves only the JB method.

The fact is neutrals used to be frowned on at switches....but nobody has ever been able to give a reason why. For that reason common sense has prevailed and neutrals at switches are just as valid as any other method.
 
Yeah, always accesible through the first downlight hole.
Unlike this bloody house we have been goin to recently.....believe me there were joint boxes in places you would not have thought possible.....we ended up virtually rewiring the gaf and all the client thought was needed origionally was a new ring for the kitchen....the further into the job we got ...the more JBs we found and they just kept on coming....and coming....and coming....at least 20-25 at last count......and all in inaccessible places too....didn`t comply with owt ...that un...........
 
If the manufacturers made light fittings and there connections big enough to get cables into then it would be at the rose , when doing wall lights if you put n the feeds and switch wires to the fittings then there is a very high possability of a screw through a cable due to the size of the fixing brackets etc it is in this scenario where i will use switch feed, i dont like doing it but i do , when the whole installation is switch feed and you need to add another light then you have a problem identifying which is the live no always easy to do with a volt stick as they are unreliable and will light if there is induced voltage , i have had to do it a few time where the installation is switch feed so much easier with rose feeds , so ceiling rose to me ,as for the question in hand to use less cable would be ceiling feed as youll only have one drop to the light switch not 3 so less cable will be used ,for thiose intrestsed the only recognised maintainance free JB of connection will be marked MF just for the info that
 
If you take that line Eng54 lighting using T/E cable would be impossible other than using joint boxes. Neutrals at switches not allowed because they are not required?...Well permanant lives are not required at a light,so presumably you do not approve of looping in at lights either?...which leaves only the JB method.

The fact is neutrals used to be frowned on at switches....but nobody has ever been able to give a reason why. For that reason common sense has prevailed and neutrals at switches are just as valid as any other method.

Absolute rubbish!! And who said anything about neutrals not being allowed at switches? Your making things up as you go along. As for commonsense, who the hell wants to open up a switch plate to find it full of cables bunched up with connectors galore?? If it meant keeping unwanted and certainly unneeded cables out of switch back boxes then your right, i'd certainly plumb for using modern day types of JB's over looping in switch boxes. Can't see how you could get around wiring a multiple down-lighter installation without the use of JB's anyway, no matter what looping method you used....

Let's get this straight, it's the looping thru switches that i have a problem with, NOT having a neutral connection at the switch, when it's Needed...
 
you can even wire 2 way switching using a 3 core switch to switch via the 3 plate and just break into the switched live there (at the 3 plate)
 
And...shunt the live feed across at the switches (2 gang) and bring a 2 core back to the 3 plate where you would use a connector block...for wall lights.........
 
Absolute rubbish!! And who said anything about neutrals not being allowed at switches? Your making things up as you go along. As for commonsense, who the hell wants to open up a switch plate to find it full of cables bunched up with connectors galore?? If you loop through a switch you will have one connector for the neutrals per circuit. If it meant keeping unwanted and certainly unneeded cables out of switch back boxes then your right, i'd certainly plumb for using modern day types of JB's over looping in switch boxes. Can't see how you could get around wiring a multiple down-lighter installation without the use of JB's anyway, no matter what looping method you used......Take the feed through the switch and loop to each light...two or possibly three cables at the switch and two maximum at each light

Let's get this straight, it's the looping thru switches that i have a problem with, NOT having a neutral connection at the switch, when it's Needed...And you have never given a satisfactory reason why,other than the wad of wires you seem to think is inevitable,but if you work it out,is actually not.
.......

E54...I have a lot of respect for your knowledge and considerable useful input into this forum...but on this I am afraid it is you talking rubbish,not me.
 
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Personally, I think you both have very valid points. I guess its as others have stated in that it all depends on the situation. Mind you, not that I have any experience of doing it but I'd imagine clipping three cables into every switch chase instead of one could become very tedious.
 
Personally, I think you both have very valid points. I guess its as others have stated in that it all depends on the situation. Mind you, not that I have any experience of doing it but I'd imagine clipping three cables into every switch chase instead of one could become very tedious.
Yep...it isn`t just about whats going on behind the switch front......its getting the cables there (and back) n all in any semblance of order............
 
So ....no containment at the down-lighters for the building wire loops, ...really, ...OK , lol!!!

At a single 1 way one gang maybe, but that's not always the case is it, especially in hallways/porches etc!! The last thread on this subject someone actually posted a photo of a switch looped switch, it looked as if you would need to force the dammed switch plate back into the box. So not my imagination at all!!

What you may call a satisfactory answer, is not necessarily anyone else's! I think i've made my position just about as clear as i can, if you don't agree that's fine too. I'm not telling you how to wire anything, you've been in this game long enough to decide that for yourself.
 
So ....no containment at the down-lighters for the building wire loops, ...really, ...OK , lol!!!

At a single 1 way one gang maybe, but that's not always the case is it, especially in hallways/porches etc!! The last thread on this subject someone actually posted a photo of a switch looped switch, it looked as if you would need to force the dammed switch plate back into the box. So not my imagination at all!!

What you may call a satisfactory answer, is not necessarily anyone else's! I think i've made my position just about as clear as i can, if you don't agree that's fine too. I'm not telling you how to wire anything, you've been in this game long enough to decide that for yourself.
Just to add my twopenneth here eng before bedtime......we often find it can get a bit congested behind switch fronts.....so just go for a deeper box................
 
Just to add my twopenneth here eng before bedtime......we often find it can get a bit congested behind switch fronts.....so just go for a deeper box................

And very good advice too!! But then, ....just how often do you see electricians these days spending more time chopping out for those deeper boxes?? Not very often is it!!!!
 
I almost always fit a 35mm box. I've easily managed to fit 8 cables (2* feed's, 3* switch lives and 3 3core's) into a single 35mm backbox no trouble, dress it in all neatly and it will push in like a dream
 
I almost always fit a 35mm box. I've easily managed to fit 8 cables (2* feed's, 3* switch lives and 3 3core's) into a single 35mm backbox no trouble, dress it in all neatly and it will push in like a dream
Way too much like hard work for me! How on earth do you contain 8 cables in a chased out wall? Must be a right old mission!
 
So ....no containment at the down-lighters for the building wire loops, ...really, ...OK , lol!!!

At a single 1 way one gang maybe, but that's not always the case is it, especially in hallways/porches etc!! The last thread on this subject someone actually posted a photo of a switch looped switch, it looked as if you would need to force the dammed switch plate back into the box. So not my imagination at all!!

What you may call a satisfactory answer, is not necessarily anyone else's! I think i've made my position just about as clear as i can, if you don't agree that's fine too. I'm not telling you how to wire anything, you've been in this game long enough to decide that for yourself.

You've lost me there E'.....maybe I'm having a blonde moment but you'll have to elaborate.
 
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A perfect example!! I Rest my case!! lol!!!

Like I said, dress it in neatly and it will fit in like a dream, take your time and it will be no trouble at all, go at it like a bull in a china shop and you will struggle dressing it back.

The switch in question was on a landing with 2 2way's for up and down, a 3core for a fan and 3 switch lines. All you have added into that switch instead of taking the feed into the rose is 3 extra cables (Feed and Fan) Still would of been 5 cables there regardless, 3 more isn't going to make to much difference. I use 1mm 3core anyway so I've got more play dressing it in. Id much rather work at switch height doing it than working above head at a pendant with aching arm's and a creaking neck!
 

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