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Dimmer 2, why N linked out with 3 position switch ?


skeltonmfc
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Can someone tell me why Sx is linked to Neutral in this drawing is Sx a Neutral or live or is it just a dry contact that triggers something in the dimmer ??? does S1, S2, Sx give out voltage or are they just contacts. Also i assume that the blue wire with the brown sleeve is a live ?.   I have wired my extension so all three cores and all lighting feeds go back to a box in my utility room by my rack for flexibility so i can make whatever switch control whatever light. 

 

thanks in advance  

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This is the 2 wire setup for Dimmer 2. the 3 wire setup is more reliable, particularly at low dimming levels.

Sx is not a dry contact. 

The blue wire with brown sleeve can have 230V on it, so yes, consider it "active".  Some would call it a "switch" wire.

" I have wired my extension so all three cores and all lighting feeds go back to a box in my utility room "  ... my electrician did just that for me today in our new extension.  He reckons it's a great architecture. :-)

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