Intermediate switching in conduit tube

domestic spark · Mar 2, 2012

Can somebody send me some wiring diagrams please, I understand t&e method but getting confused with singles method. I have 4 lights. Very bottom light is just 2way. So 1g1w switch down stairs. First landing, 2g2w switch. So I need 3lights to be controlled by intermediate switching. Intermediate will have to be on the top floor because of the way the tubes run.

mark1979 · Mar 2, 2012

google 2 way and intermediate switching diagram

spark 68 · Mar 2, 2012

I cannot remember where I got this from, it may have even come from this forum, so thanks to whoever put it on the net.

Knobhead · Mar 2, 2012

Here's two ways that depend on where you feed the system from

View attachment 11058

View attachment 11059

UNG · Mar 3, 2012

Wire it said:
Can somebody send me some wiring diagrams please, I understand t&e method but getting confused with singles method. I have 4 lights. Very bottom light is just 2way. So 1g1w switch down stairs. First landing, 2g2w switch. So I need 3lights to be controlled by intermediate switching. Intermediate will have to be on the top floor because of the way the tubes run.

If you have worked out where the intermediate switch has to go surely you know the answer to the question you are asking

Octopus · Mar 3, 2012

Wire it said:
Can somebody send me some wiring diagrams please, I understand t&e method but getting confused with singles method. I have 4 lights. Very bottom light is just 2way. So 1g1w switch down stairs. First landing, 2g2w switch. So I need 3lights to be controlled by intermediate switching. Intermediate will have to be on the top floor because of the way the tubes run.

Why does the intermediate have to be at the top? Surely that will mean more cables and will they all fit in the tubes. How many floors/lights do you have

Maybe I'm not understanding your description

Andy 7671 · Mar 3, 2012

Sorry to add to your confusion but Imm guessing...stairwell...?

If so what about running man and emergency lighting...?

supasparxs · Mar 4, 2012

Tony said:
Here's two ways that depend on where you feed the system from

View attachment 11059

Nice one,
I have never thoght of putting the feed into the intermidiate switch and T&E out to the 2way switches.
Cheers

UNG · Mar 4, 2012

supasparxs said:
Nice one,
I have never thoght of putting the feed into the intermidiate switch and T&E out to the 2way switches.
Cheers

At a company I worked for years ago a few of us found numerous different ways to first fix two way and two way and intermediate circuits and then work it so the guy who hated two way circuits got to do second fix on them always good for a laugh

supasparxs · Mar 4, 2012

I remembered the make.
Eurolite.co.uk use crabtree switches, and will put 2way and intermediate switches on the same faceplate. I don't know If they do white plastic.

supasparxs · Mar 4, 2012

Sorry wrong thread

Knobhead · Mar 4, 2012

supasparxs said:
I remembered the make.
Eurolite.co.uk use crabtree switches, and will put 2way and intermediate switches on the same faceplate. I don't know If they do white plastic.

You can if you want, use an intermediate as a two way. So a two gang intermediate will do.
View attachment 11088

spark 68 · Mar 4, 2012

You can if you want, use an intermediate as a two way.

I have done this before Tony, on a hospital contract, long corridors and a mix of 1W, 2W and intermediates, the firm I was contracted to only supplied intermediate switches, this was to rationalise stock, and I suspect to get bulk discounts, as the intermediates could be used for any of the others.

Knobhead · Mar 5, 2012

That’s it!
Replace all light switches with intermediates.

Confuse the hell out of DIYers and the Electrical Trainee’s!

Intermediate switching in conduit tube

domestic spark

mark1979

spark 68

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