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Weird wiring when changing light switch to smart light switch

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  • 08-06-2022 11:53pm
    #1
    Registered Users Posts: 1


    Hello World

    Living in Dublin, I decided to swap my bedroom light switch for a smart switch.

    Looking at the existing switch I see two brown and one blue wires, so I purchased an Aqara single rocker switch with neutral (Smart Wall Switch H1 (With Neutral))

    The new smart switch has ports for Neutral, Live and Load 1 (N,L,L1).

    As I began to dismantle the old light switch I found that of its three unmarked ports, only two were in use.

    Diagrammed below, the blue and one of the brown wires use the same port, 1 & 2 below.

    My questions are:

    A. Is the existing switch wired strangely?

    B. Am I correct to assume in the diagram below that 1 is neutral, 2 is Load-1 and 3 is Live?

    C. Did I buy the correct Aqara switch or should I have bought without neutral?

    D. Can I map the diagram below to the Aqara ports as follows. 1 to Aqara N. 2 into Aqara L1. 3 into Aqara L.




Best Answer

  • Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,596 Mod ✭✭✭✭2011


    A. No

    B. No

    C. No, you should have purchased one that did not require a neutral.

    D. No, because your existing switch does not have a neutral. For your smart switch to work a neutral is required.



Answers

  • Registered Users Posts: 117 ✭✭GalwayMan74


    "Looking at the existing switch I see two brown and one blue wire"

    Edit,

    Nevermind,



  • Registered Users Posts: 436 ✭✭Girl Geraldine


    If you need to ask those questions, then you have no business fiddling around with 220V electrics. Get an electrician.



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