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Smart Home Forum by FIBARO Team

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Dimmer 2 - Is this wiring possible?



Sorry to highjack this, but I have  a question reagrding the wiring. I don't have the possibility to wire the dimmer and switches in a closed separate loop. I have seen the instruction but i would like to do the following wiring. Is this possible? You have this possibility on the "Double switch 2"....


230VAC                                    Dimmer

L --------------------------------------------> L

N -------------------------------------------> N

L ------------->switch------------------>  S1



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I originally wired up one of my modules this way, and then checked with my local supplier here in the UK - vestermet.com. They've advised that this arrangement is potentially dangerous:



Sx isn't "just live" it has additional monitoring and protection capabilities, in particular it only supplies a maximum of a few milliamps of current before shutting off and it also shuts down in the event of problems with the device itself because it is protected by the device's internal fuse.  
Connecting the switch inputs directly to Live leaves bypasses those additional safety features and leaves them exposed to whatever MAXIMUM current your Live input is capable of supplying, typically 6A in a normal lighting circuit.  In a fault situation this can be extremely dangerous!


If someone from Fibaro can comment to confirm this either way, I'm sure this would be very important knowledge for a lot of people - especially since this is not mentioned in the manual specifically, and people are clearly adopting this approach.



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